IN D E X OF SUBJECTS.
A. T. 10. See D ihydrotachysterol.
Absorptiom eter, thermo-electric, 462.
A bsorption in solids, 98.
A cetaldehyde, p h otolysis of, 83, 88, 272.
therm al decom position of, 272, 273.
A cetam ide, crystal structure of, 191.
Acetanilide, nitroso-, decom position of, in arom atic solvents, 281.
reaction of, w ith ci/c/ohexene, 280.
reaction of, w ith quinoline, 284.
A cetic acid, am yl ester, em ulsions, h yd rolysis of, 111.
A cetic acid, chloro-, ph otolysis of, 92.
A cetic acids, ^ s u b s titu te d , syn thesis of, 225.
A cetone, p h otolysis of, 87, 273.
A cetophenone, p h otolysis of, 273.
Acetophenone, p-am ino-, diazotised, as reagent for thiazole grouping, 464.
A cety l bromide, p h o to ly sis of, 85.
A cetylcholin e, form ation of, from pyruvate, 386.
A cetylene, photobrom ination of, 95.
A cetylene, diiodo-, photochem istry of, 96.
A cetylene tetrachloride, m olecular structure of, 65.
2-A cetylrhodin g7, 323.
Acids, alip hatic, esterification of, 233.
long-chain, structure of, 211.
separation of, b y distillation, 461.
grow th-prom oting action of, 431.
Acrodynia, cure of, 392.
Acrylic acid, m eth yl ester, p h o to polym erisation of, 97.
A ddison’s disease, treatm ent of, 337.
Adenine, fission of, b y bacteria, 450.
Adenosine, fission of, by bacteria, 450.
A denylic acid, fission of, b y B acillus coli, 450.
Adermin, requirement of, for S trepto
coccus, 439, 440.
Adrenals, ox, arachidonic acid from, 215.
Adrenal substance J , 337.
Adrenal substance K , preparation of, 336.
Adrenal substance O, 337.
Agm atine, form ation of, from i( - f )-arginine b y bacteria, 449, 450.
/3-Alanine, form ation of, from aspartic acid b y bacteria, 448.
requirem ent of, for bacteria, 437.
Album in, egg-, hom ogeneity of, 405.
visco sity of, on denaturation, 411.
serum, h om ogeneity of, 405, 408.
A ldehydes, aliphatic, ph otolysis of, 276.
p h otolysis of, 81, 272.
A letris farinosa, diosgenin from, 353.
A liphatic compounds, 200.
higher, 211.
su bstitu tion in, 236.
A lkali hydroselenides, 135.
polyiodides, 136.
Alkaloids, 375.
Alkanation, 204.
A lk y l groups, tautom eric effects of, 247.
halides, reactions of, w ith sodium vapour, 274.
radicals, free, reactions of, in solution, 276.
tert.-A lkylarsines, com plexes of, w ith cadm ium and mercuric halides, 131.
A lkylbenzenes, dipole m om ents of, 248.
A lkylb en zh ydryl halides, hydrolysis of, 240.
p-A lk ylb en zh ydryl chlorides, hydro
ly sis of, 248.
tert.-AlkyIphosphines, com plexes of, w ith cadm ium and mercuric halides, 131.
A lly l chloride, preparation of, 205.
Alum inium , crystals, X -ra y reflec
tio n by, 167.
detection and determ ination o f 468.
A lum inium alloys, determ ination in, o f tin, 477.
bromide, dielectric constan t of, 126.
perchlorate, 126.
I N D E X OF SU B JE C T S. 5 0 3
Amines, form ation of, b y bacteria, 448.
p h otolysis of, 273.
n-primary, preparation of, 205.
Amino-acids, decarboxylation of, b y bacteria, 449.
fission of, b y bacteria, 445.
Amino-radical, m ean life-tim e of, 97.
Ammonia, dipole m om ent of, 48.
p h otolysis of, 88, 97, 274.
A m m oniates o f boron compounds, 142.
Ammonium hydrogen fluoride, structure of, 185.
sulpham ate, 137.
Amphipathic substances, 102.
A m yl chloride, chlorination of, 288.
reaction of, w ith sodium , 286.
A m y loam y lose, 422.
A m ylopectin, 422.
tert. -Am ylci/dopentane, preparation of, 202.
Analysis, colorimetric, 462.
d istillation, 451.
electrolytic, 469.
fluorescence, 466.
J 5:,-Androstadiene, 3:17-cMhydroxy-, 333.
A ndrostane derivatives, 332.
A ndrostan-17-one, (/?): 6-dihydroxy-, 333.
Androstenedione, reduction of, 332.
J 1-Androstenedione, 333.
Aneurin, determ ination of, colori- m etrically, 464.
b y oxidation, 467.
requirement of, for Staphylococcus, 439.
See also Vitamin-JSj.
A nhydrosarsasapogenoic acid, 348.
Anona reticulata, anonaine from, 377.
Anonaine, structure of, 377.
Antibodies, 398.
reaction of, w ith antigens, 400.
A ntigens, bacterial, 394.
protein, 395.
reaction of, w ith antibodies, 400.
syn thetic, 396.
A ntihorm ones, 404.
A ntim onials, arom atic, preparation of, 279.
A ntim ony, electrodeposition of, 473.
A n tim on y trifluoride, as fluorinating agent, 150.
A n tim on y ores, analysis of, 474.
Arabogalactan, larch, 427.
Arachidonic acid, structure of, 215.
Arginine, fission of, b y bacteria, 445.
Arginine dihydrolase, 445.
Argon atom s, dip ole-dipole energy of, 27.
Arsenic, determ ination of, electro- lytica lly , 474, 475.
Arsenic d ioxid e, m olecular structure of, 72.
Arsenicals, aromatic, preparation of, 279.
Arsines, tertiary, com plexes of, w ith cadm ium and mercury halides, 186.
Arylpyridines, form ation of, 282.
A ryl radicals, free, form ation of, 278.
Asclepain m and s, 429.
Asclepias. See Milkweed.
Ascorbic acid. See Vitamin-C'.
Ash wood, constituents of, 426.
Aspartase, 447.
Aspartic acid, deam ination of, by bacteria, 447.
excretion of, b y nitrogen-fixing bacteria, 444.
Z( —)-Aspartic acid, fission of, by bacteria, 446.
Aspirylproteins, 397.
A tom s, interacting, quantum - mechanical energy of, 25.
polarisation of, 57.
A tom ic reactions, 274.
Auxins, growth prom otion by, 430.
A vena coleoptiles, growth of, in auxin solutions, 431.
Avitam inosis-^., experim ental, 384.
Azafrin, m eth yl ester, oxidation of, 296.
a/jo-l-A zafrinal, 296.
Azeotropes, d istillation of, 459.
cis-Azobenzene, 71.
m olecular structure of, 178.
trans-Azobenzene, m olecular struc
ture of, 178.
solu b ility of, in cetylpyridinium salts, 106.
Azom ethane, p h o to ly sis of, 273.
therm al decom position of, 271.
Azotobacter, nitrogen fixation by, 444.
B acilli, dysentery, nutritional re
quirem ents of, 439.
intestinal, histam ine form ation by, 449.
B acillu s coli, deam ination o f aspartic acid by, 447.
fission o f cystein e and cystin e by, 446.
tryptoph an conversion in to indole by, 448.
B acillus fluorescens liquefaciens, deam ination o f aspartic acid by, 447.
B acillus leprce and tuberculosis, bactericidal a c tiv ity against, 225.
B acillus tuberculosis, lipides, acids of, 223.
5 0 4 I N D E X OF S U B JE C T S .
Bacteria, action of, on sucrose 425.
antigens from, 394.
butyl-ferm enting, nutritional re
quirem ents of, 441.
grow th substances for, 435.
lactic, nu tritional requirem ents of, 437.
nitrogen fixation b y, 443.
pathogenic, am ino-acid m etab ol
ism of, 443.
propionic, carbon dioxide absorp
tio n b y, 385.
purine m etabolism of, 450.
Bactericides, syn thetic, 225.
Bacteriochlorin, oxidation of, 322.
B acteriochlorophyll, 322.
Bacterium delbriiclcii, p yru vate fission b y, 417.
Bacterium dysenteries, antigen from, 394.
Bacterium typh i-m uriu m and typh o
sus, antigens from, 394.
Bananas, starch in, 423.
Barium , isotopes of, from fission, 9.
Barium azide, p h otolysis of, u ltra
v io let, 99.
B ean plants, p lan t grow th inhibitor in, 433.
B ean pods, w ound-horm one from, 222.
Bebeerine, structure of, 377.
Beechw ood, cellulose and x ylan from, 427.
Beech-w ood tar, acids from, 217.
B eesw ax, 220.
B en ton ite sols, loss o f birefringence in, 118.
viscosity of, 121.
Benzaldehyde, therm al decom posi
tio n of, 272.
Benzene, distillation o f azeotropic m ixtures of, w ith eth y l alcohol, 461.
separation of, from ethylen e di- chloride, 456.
from m eth yl alcohol, 455.
B enzene, bromo-, photochem ical reaction of, w ith bromine, 96.
bromo-, and chloro-, reactions of, w ith sodium , 287.
p-dioya.no-, m olecular polarisation of, 62.
fluoro-, bond len gth in, 76.
y-nitro-, non-polar nature of, 71.
Benzeneazotriphenylm ethane, addition of, to styrene, 289.
decom position of, 287.
Benzenediazonium chloride, reactions of, in organic solvents, 278.
w ith esters and nitriles, 280.
w ith cj/cZohexene, 280.
isoBonzfurans, 367.
B enzhydryl chloride, reaction of, w ith e th y l alcohol, 239.
and m-chloro-, su b stitu tion in, in liquid sulphur dioxide, 246.
m-chloro-, reaction of, w ith tetram ethylam m onium fluor
ide, 246.
halides, hydrolysis of, 243.
Benzil, m olecular structure of, 66.
B enzoic acid, eth y l ester, hydrolysis of, 235.
K olb e reaction w ith, 284.
B enzoic acid, 3 : 5-dinitro-, as re
agent in colorim etry, 466.
Benzophenone, p h otolysis of, 273.
p-Benzoquinone, m olecular polarisa
tion of, 62.
B en zoyl peroxide, polym erisation acceleration by, 289.
B en zyl chloride, hydrolysis of, 242.
radical, 284.
B enzylisoquinoline alkaloids, 376.
B eryllium acetylacetonate, non
polar nature of, 71.
Bilan, 326.
Bilichrysenes, 329.
Bilichrysin, 330.
Bilidiene, 327.
B iliene, 327.
Bilifuscin, 330.
neoBilirubic acid, 328.
isoneoBilirubic acid, 327.
Bilirubin, structure of, 328.
Bilirubinoids, form ation of, from porphyrins, 325.
nom enclature of, 326.
synthesis of, 327.
Bilitriene, 327.
syn th esis of, 327.
B iliverdin, 330.
B iochem istry, 382.
p lant, 419.
B iotin , 393.
determ ination of, by grow th re
sponse, 433.
requirem ent of, for bacteria, and its detection, 441.
B irch wood, hem icelluloses of, 428.
1 0 :10'-B is-5:10-dihydrophenarsazine, m agnetic su scep tib ility of, 267.
B ism uth, bom bardm ent of, w ith a-rays, 14.
d eterm ination of, in lead bullion and ores, 476.
electrodeposition of, 474.
separation of, from lead, 473.
Bisnorcholenic acid, 3-hydroxy-, conversion of, into progesterone 340.
B ixin , isom erisation of, 293.
m eth yl ester, oxidation of, 295.
B ixindialdehyde, 295.
apo- 1-B ixindialdehyde, 295.
IN D E X OF S U B JE C T S . 5 0 5
Blood, suspended fa t in, and protein adsorption, 414.
Blood-corpuscles, red, hum an, factor V syn thesis b y, 388.
Bonds, betw een oxygen and other elem ents, 73.
form ation and length of, 73.
halogen, 76.
lengths of, table of, 46, 75.
Bonellia viridis, pigm ent of, 323.
Bonelline, 323.
Borine carbonyl, 141, 150.
Borine radical, existen ce of, 141.
Borine trim ethylam ine, structure of, 150.
Boron com pounds, am m onia com pounds w ith, 142.
cyanate, 127.
trifluorides, addition products of, 127.
hydrides, 138.
structure of, 148.
oxyfluoride, 127.
Brain, adenylic acid in, in p h o s
phorylation, 386.
cerebrosides of, 217.
pyruvate oxid ation in, in p o ly neuritis, 386.
Brass, analysis of, 475.
determ ination in, o f mercury, 476.
Brassicasterol, structure of, 361.
Bread, brown versus w hite, 394.
Brom elin from pineapples, 429.
Brom ination, atom ic, 288.
Bromine, isom erism of, 19.
photochem ical oxidation by, 96.
therm al diffusion o f m ixtures o f helium and, 156.
Brownian m otion, 100.
Brucella m elitensis, antigen from, 395.
i^-Brucine, degradation of, 380.
Brucinonic acid, oxidation of, 381.
Budde effect, 94.
n-Butane, ph otolysis of, m ercury- sensitised, 92.
therm al decom position of, 270.
B utane, nitro-, determ ination of, colorim etrically, 464.
Butanes, separation of, from butenes b y distillation, 461.
isoB utene from petroleum cracking, 204.
cis- and trans-Butene-2, separation of, 456.
B utenes, separation of, from butanes b y distillation, 461.
B u ty l brom ides, exchange reactions of, w ith radioactive bromide ions, 247.
n -B u ty l brom ide, h yd rolysis of, 238.
tert.-Butyl brom ide, hydrolysis of, 242, 245.
chloride, alcoholysis and hydro
lysis of, 237.
halides, hydrolysis of, 240.
p -tert.-B utylbenzhydryl chloride, h yd rolysis of, in presence of azide, 245.
tert. -B uty lci/ciopentane, preparation of, 202.
tert.-Butylci/ciopentanol, preparation of, 202.
p - tert. - B u tylp henyldiph en ylm ethyl radical, 256.
n-B u tyric acid, chlorination of, 210.
Cadaverine, form ation of, from l{ + )-lysine b y bacteria, 449.
Cadmium, determ ination of, in spelter and zinc ores, 476.
in zinc alloys, 477.
isotope, electron spectrum of, 17.
isotopes, from fission, 10.
separation of, from zinc, 476.
Cadmium halides, com plexes of, w ith tertiary arsines and p h o s
phine, 133, 186.
Cadmium lam p for photochem istry, 92.
Caesium isotopes from fission, 9.
Caesium hexachlorogerm anate, 130, 186.
sesquioxide, crystal structure of, 184.
Calcium, isotope of, radioactive, 14.
Calcium carbonate, neutron sca t
tering b y, 21.
fluoride as fluorinating agent, 152.
Callus, form ation of, in vitam in-C deficiency, 391.
Cannabidiol, structure of, 374.
Cannabinol, structure of, 374.
syn th esis of, 375.
C arbobenzyloxyproteins, 397.
Carbon, isotop e of, heavy, separation of, b y therm al diffusion, 159.
radioactive, 13.
isotopes, therm al diffusion of, 35.
Carbon sw&oxide, m olecular polarisa
tio n of, 62.
m onoxide, ;oxid ation of, chlorine- sensitised, 95.
dioxide, liquid, structure of, 169.
therm al diffusion o f m ixtures o f hydrogen and, 154, 156.
Carbon-carbon linking, fission of, in biology, 416.
Carbonic anhydrase, zinc in, 419.
Carbonyls, 129.
Carbonyl chloride, photochem ical form ation of, 94.
5 0 6 I N D E X OF S U B JE C T S .
Carboxylase, containing m agnesium and thiam ine diphosphate, 417.
pyru vate degradation by, 417.
/3-a/jo-Carotenals, 294.
Carotene, chem istry and ph ysiology of, 385.
determ ination of, in foods, colori- m etrically, 463.
(3-Carotene, oxid ation of, 294.
a- and |3-Carotenes, isom erisation of, 291.
neoCarotenes, 291.
^-Carotenes, 291.
Carotenoids, 290.
degradation of, 294.
isom erisation of, 290.
Carrageen m oss, m ucilage of, 425.
Carrots, n u tritive v alu e of, 393.
Casein, ligh t-w hite, v ita m in -4 in, 385.
Caseinogen, sedim entation constan t of, 406.
Cassaine, 380.
Castor oil, fa tty acids from, 213.
Catalase, antisera to, 395.
C atalysis, biological, 415.
Cataract from riboflavin deficiency, 389.
Cellulose nitrate sols, v iscosity of, 121.
Cereals, distribution o f nicotinic acid in, 388.
Cerebronic acid, structure of, 217.
Ceric phosphate, 128.
Cerium, detection of, b y fluorescence, 466.
electrolytic separation of, 128.
Cevadine, structure of, 379.
Cevine, degradation of, 379.
Cheese, lactic bacteria from, 437.
v ita m in -^ in, 385.
Cheilanthifoline, structure of, 376.
Chick-pellagra factor. See P a n to thenic acid.
Chloral, reaction of, w ith chlorine, 95.
Chloral hydrate, conversion of, into /3-trichloroethylgentiobioside, in plants, 435.
Chlorazol sky blue, p h otolysis of, on titanium dioxide, 98.
0-Chlorin p 6, 321.
Chlorination, atom ic, 288.
Chlorine, isotope, radioactive, 14.
isotopes, separation of, 156.
photochem ical reaction of, w ith hydrogen, 94.
photosensitisation b y, 95.
Chlorine heptoxide, m olecular struc
ture of, 74.
Chloroform, valen cy angles in, 55.
Chlorogalum pom eridianum , chloro
genin from, 353.
weotigogenin from, 350.
Chlorogenin, 353.
Chlorogenone, 354.
Chlorogermanic acid, and its salts, 130.
Zl5;7-Cholestadiene, 3(a)-hydroxy-, 360.
J 4:6-C holestadienol, 361.
zl6:8-Cholestadienol, irradiation of, 360.
Cholestane, 3(/3) : 5 : 6-trihydroxy-, 356.
Cholestanone, sulp hon ation of, 358.
J 4-Cholestene, 3 : 6-rfihvdroxy-, 356.
cis -J 5-Cholestene, 3 : 4-tfihydroxy-, 355.
Cholesterol, oxidation of, 354.
Cholesterol, 6-iodo-, 363.
Cholesteryl iodide, 363.
MoChondrodendrine, 377.
Chondrodendron, alkaloids from, 377.
Chondrofoline, 377.
Chondrus crispus. See Carrageen m oss.
Chroman, preparation of, 210.
Chylomicrons, 414.
a-Citraurin, 296.
j8-Citraurin, 294.
Citric acid, form ation of, in pyruvic oxidation, 385.
Clostridium , am ino-acid decarb oxyl
ation b y, 449.
am ino-acid m etab olism of, 448.
nu tritional requirem ents of, 440.
Clostridium acetobutylicum, nu tri
tion al requirem ents of, 441.
Clostridium botulinum, fission of serine by, 446.
Clostridium butylicum , nu tritional requirem ents of, 441.
Cobalt, determ ination of, in ores, 475.
overvoltage of, 470.
separation of, from nickel, 475.
C obalt carbonyls, 129.
Cocarboxylase, activ a tio n of, by vitam in-jSj, 387.
Cochineal w ax, 220.
rf-j.s'oCoclaurine, structure of, 378.
Coenzym e R, 393.
Colloids, 99.
m icellar, 102.
visco sity of, 111.
Colloidal particles, degradation of, b y shear, 121.
rod-shaped, visco sity of, 115.
size of, 100, 120.
sols, hydrophobic, 100.
Colloidoscope, 111.
Colorimeter, D onaldson, 467.
Colorimetric analysis, 462.
C onjunctivitis from riboflavin d e
ficiency, 389.
Co-ordinate links, 74.
Coproglaucobilin, 325.
I N D E X OF S U B J E C T S . 5 0 7
Coproporphyrin-III, determ ination of, b y fluorescence, 466.
Copper, detection of, in traces on shears, 473.
determ ination of, electrolytically, 473.
in lead bu llion, spelter, and zinc ores, 476.
in ores, 477.
in presence o f cadm ium and iron, 477.
in zinc alloys, 477.
electrodeposition of, in presence o f iron salts, 471.
Corticosterone, and 17-hydroxy-, 337.
Corydalis, alkaloids from, 376.
Corynebacterium diphtherias, n u tri
tio n a l requirem ents of, 437.
Coumaranones, 370.
Creatine, determ ination of, in m eat extracts, etc., 465.
Creatinine, determ ination of, in m eat extracts, etc., 465.
Critical concentration and viscosity,
1 2 2.
Crocetin, isom erisation of, 293.
Crotalaria retusa and spectabilis, alkaloids from, 376.
Crotonaldehyde, condensations of, 221.
Cryptocavine, structure of, 376.
Crystals, m odel of, 173.
nuclei, form ation of, in liquids, 170.
physics of, 167.
X -ray reflection b y, 167.
structure of, and m elting, 171.
therm odynam ics of, 33.
Crystal state, transitions of, 175.
Crystal-albumin, 408.
Crystallisation, rules for, 170.
Cyanimino-group, lin earity of, 193.
Cyanines, preparation of, 366.
Cyanine dyes, colour of, 365.
Cyanogen, m olecular polarisation of, 62.
Cyclotron, 12.
Cysteine, fission of, b y bacteria, 446.
Cystine, fission of, b y bacteria, 446.
Cytochromes, succinate oxidation by, 416.
Cytochrome a 3, 416.
Cytochrome c, hydrolysis of, 324.
D ark-ad aptation te st for vitam in-A deficiency, 383.
cis- and trw is-Decalins, separation of, 456.
D ecane-1 : 10-dicarboxylic acid, grow th-prom otion b y, 223.
D ecarbousnol, 373.
D ecevinic acid, 380.
Dehydroandrosterone, progesterone, synthesis from, 340.
Dehydrobilirubin, 325.
7-Dehydrocholesterol, 361.
7-Dehydroepicholesterol. See J 5:7- Cholestadiene, 3(a)-hydroxy-.
Dehydrocorticosterone, and 17 - hydroxy-, “ cortin a ctiv ity ” of, 337.
D en tal structure in avitam inosis ^ , 384.
Deoxycorticosterone, syn thesis of, 342.
D etergents, 102.
D euterium , enrichm ent of, 456.
Deuterium oxide, separation of, from water, 163.
peroxide, preparation of, 125.
D iacetyl, form ation of, from a c et
aldehyde, 84.
m olecular structure of, 66.
therm al decom position of, 272.
D iacyl peroxides, reactions of, 283.
m -Diamines, detection of, b y fluores
cence, 466.
D iazobenzene hydroxide, decom po
sition of, 279.
*i/n-Diazo-cyanides, reactions of, 281.
Diazohydroxides, reactions of, 279.
D ibenzoyl peroxide, reaction of, w ith triphenylm ethyl, 283.
4 : 4'-D ibenzoyltriphenylm ethyl, 258.
D iisobutene, reduction of, 204.
Diborane, 138.
reaction of, w ith alum inium alkyls, 148.
w ith phosphine, 145.
Dicyanodiam ide, structure of, 192.
D idym ocarpus pedicellata, penta- hydroxybenzene derivatives from, 370.
D iels-A ld er reaction, isobenzfuran syn th esis by, 369.
D iethoxyborine, 147.
D ie th y l ketone, ph otolysis of, 85.
D iethylm ercury, ph otolysis of, 86.
D ieth y l sulphide, ^jS'-dihydroxy-, form ation of, 203.
D iethylzinc, p h o to ly sis of, 86.
D iffraction, observation of, 41.
Diffusion, therm al, in liquids, 162.
isotope separation b y, 153.
o f gases, 34.
parallel-plate cell for, 155.
Diffusion apparatus, 163.
Diffusion constan ts o f proteins, 410.
D i - p - ci/cfohexylphenyltetraphenyl - ethane, 259.
dissociation of, 258.
D ihydrotachysterol, 360.
D ihyd rovitam in-D 2 I, 360.
D iketen, 208.
D ilsea edulis, m ucilage from, 425.
D im esitylchlorom e thane, dissoci
ation of, 260.
D im eth oxyborine, 140.
D im eth oxytrip h en ylm eth yls, sta b ility of, 253.
3 : 4-D im eth oxytrip h en ylm eth yl, sta b ility of, 254.
D im eth ylbenzhydryl chloride, h y d ro lysis of, in presence o f azide, 245.
D im ethylborine, am ino-, 143.
D im eth ylboron fluoride, 147.
2 : 2-D im eth ylbutan e, preparation of, 202.
3 : 3-D im eth yl-J '-butene, 202.
D im ethyldiborane, 141.
2 : 2 ' - D im eth yldiph en yl - 4 : 4'-bisdi- ph en ylm ethyl, 265.
D im ethylm ercury, p h otolysis of, 86.
2 : 3 - D im eth yl m ethylgalacturono- side, m eth y l ester, 424.
D im eth y l bisulphide, m olecular struc
ture of, 66.
2 : 5-D im eth yltrip h en ylm eth yl radi
cal, sta b ility of, 257.
D i - fi - naphtha.spiropyran, effect o f heat on, 366.
D iosgenin, 353.
D iph en oxytetraph en ylethan e, ther
m al behaviour of, 253.
D iph en yl, oo'-dichloro-, m olecular structure of, 66.
D ip h en yl ether, valen cy angle of, 72.
D iph en yl ether, p p '-d iio d o -, str u c
ture of, 47.
valen cy angle of, 72.
D iph en yl-3-acenaph thylm eth yl, sta b ility of, 259.
o-D iphenylbenzene, m olecular struc
ture of, 178.
D iph en yl - 3 : 3 ' - bisd iphenylm ethyl, 266.
radical nature of, 264.
D iph en yl - 4 : 4 ' - bisd iphenylm ethyl, quinonoid form of, 264, 266.
D iph en yl - 4 : 4 ' - bisd iphenylm ethyl, 2 : 6 : 2 ' : 6'-tetrachloro-, 264.
D ip h en yl - 4 : 4 ' - bis-4" - dip h en ylyl ph en ylm ethyl, 2 : 6 : 2 ' : 6’-tetra- chloro-, 265.
D iph en ylcyan om ethyl radical, 289.
D iph en yl-4-d iphenylylm eth yl, sta b ility of, 254.
D iphenylm ercury, decom position of, 285.
1 : 4 - D iphenylnaphthalene, deriva
tives, from isobenzfurans, 369.
D iph en yl-a-n aph thylm eth yl, sta b ility of, 259.
D iph en yl - a - n ap h th ylm eth yl form ate, therm al decom position of, 259.
D iphenylnitrogen radical, 268.
5 0 8 I N D E X OF
aj8 - D iph en yloctatetraene, degrad
ation of, 296.
a-D iphenyltetra - (ftp - dip henylvin yl)- ethane, sta b ility of, 261.
D iph en yl-o-tolylm eth yl radical, 256.
D iph en yl-m -tolylm eth yl radical, sta b ility of, 257.
D ip h en yl-p -tolylm eth yl radical, 256.
1 -D iph en ylyltetrap heny lethane, dis
tilla tio n of, 262.
D iphosphopyridinenucleotide, re
quirem ent of, for Hcemophilus, 442.
D iph theria an titoxin , enzym ic d i
gestion of, 399.
m ol. w t. of, in horse sera, 399.
D ipole m om ents, and m olecular structure, 67.
electric, 36, 47.
D iisopropoxy borine, 147.
D iisopropyl ether, octane num ber of, 204.
D i-n-propyldiborane, 141.
D ipyrrylm ethene, bromo-, reduction of, 330.
D ipyrrylm ethenes, syn thesis of, 331.
D isease, serum proteins in, 409.
D istilla tio n , 451.
fractional, 452.
o f alip hatic com pounds, 201.
m icro-, 457.
m olecular, 457.
under reduced pressure, 461.
D istilla tio n apparatus, colum ns, 452.
m olecular, 458.
D isulphur monoxide, 134.
Docosahexaenoic acid, structure of, 216.
Dunnione, structure of, 372.
S U B J E C T S .
E arths, rare, chem istry of, 128.
E ggs, v iscosity o f proteins from, 412.
E gg album in. See under Albumin.
E gg-w hite, injury from, in rats, protection against, 392.
Elaeostearic acid, structure of, 214.
i/i-Elaeostearic acid, structure of, 212.
E laidic acid, structure of, 212.
E lectric m om ents, induced b y polar groups, 53.
E lectrode, calom el standard, 470.
hydrogen, p oten tial of, 469.
E lectrodeposition, 469.
E lectrolysis, internal, 476.
stirring in, 471.
E lectrolytic analysis, 469.
E lectrons, diffraction of, and m ole
cular structure, 67.
b y gases or vapours, 36.
E lectron m icroscope in determ ination o f m olecular shape, 413.
E lem ent 85, 14.
I N D E X OF S U B J E C T S . 5 0 9
E lem en t 93, isotope of, 11, 16.
Elm w ood, constituents of, 426.
Em bryos, v iscosity o f proteins from, 412.
Em ulsifiers, 109.
Em ulsions, 109.
oil-in-w ater and w ater-in-oil, 110.
Encephalopathic syndrom e, tr e a t
m ent of, w ith nicotinic acid, 389.
Energy, dip ole-dipole, calculation of, 27.
interm olecular, 24.
quantum -m echanical, o f inter
actin g atom s, 25.
Entropy o f fusion, 172.
Enzym es, a c tiv ity of, in presence o f buffer solutions, 423.
as catalysts, 415.
crystalline, 419.
E quation o f sta te for gases, 29.
Ergosterol, photoisom ers of, 359.
Erythrophleum guineense, alkaloid from, 380.
Esterification, m echanism of, 229.
Ethane, m ercury-photosensitised re
actions of, 272.
ph otolysis o f cadm ium - and m er
cury-sensitised, 92.
Ethane, s-dibrom o-, m olecular rota
tion of, 177.
s-dichloro-, m olecular rotation of, 176.
tetraiodo-, ph otoch em istry of, 96.
nitro-, determ ination of, colori- m etrically, 464.
17 - E thin yltestosterone, progest
ational a c tiv ity of, 342.
E th y l alcohol, distillation o f azeo
tropic m ixtures of, w ith benzene, 461.
w ith water, 461.
iodide, reaction of, w ith sodium, 286.
radicals, form ation of, 273.
reactions of, w ith liquid h yd ro
carbons, 277.
E thylboranes, 141.
EthylcycZobutane, preparation of, 202.
E thylene, hydrogenation of, mercury- photosensitised, 273.
polym erisation of, 87.
E thylene, dichloro-, photobrom in- ation of, 95.
E th ylen e dichloride, polarisation of, 58.
p oten tial curves for, 64.
separation of, from benzene, 456.
chlorohydrin, conversion of, into /3-2-chloroethyl - d - glucoside in plants, 435.
dihalides, structure of, and R am an spectra, 179.
E th ylen e diiodide, p h otolysis of, 96.
oxide, use of, as insecticide and in synthesis, 203.
Europium , detection of, b y fluores
cence, 466.
E y e diseases caused b y riboflavin deficiency, 389.
F actor V, 388.
F actor W, 390.
Faeces, o f m yopathic patients, p ig
m ent in, 330.
stercobilin from, 329.
Fangchinoline, structure of, 378.
Fibrinogen, 407.
m olecular shape of, 412.
F iltra te factor. See Pantothenic acid.
Fish, putrid, trim ethylam ine in, 450.
F ish oils, m olecular distillation of, 459.
unsaturated acids of, 216.
F ittig reaction, 286.
Flavins, syn thetic, effectiveness of, for bacterial growth, 438.
Flavones, 370.
Flour, x an th op h yll from, 463.
F low o f colloids, 112.
Fluorescence, apparatus used for, 467.
relation of, to ph otolysis in gases, 81.
Fluorescence analysis, 466.
F luorination o f inorganic compounds, 150.
Foods, determ ination in, o f carotene, 463.
Form aldehyde, p h otolysis of, 81, 99.
Form ic acid, sodium salt, structure of, 185.
Form yl radical, stab ility of, 82.
Formylneobilirubic acid, 327.
Form ylneoxanthobilirubic acid, 327.
F raction atin g colum ns, 452.
efficiency, 453.
F riction al constan t o f proteins, 410.
Fruit, cooked and raw, vitam in-C in, 391.
Fum aronitrile, m olecular polaris
ation of, 62.
Furan, bond distances in, 364.
Furano-com pounds, 372.
Fusel oil, analysis of, b y distillation, 461.
Gadolinium, purification of, 128.
Gallium chlorides, 128.
Gases, electron diffraction b y, 36.
molecular distribu tion law for, 33.
therm al diffusion of, 34, 153.
therm odynam ic data of, 28.
viscosity of, 34.
5 1 0 I N D E X OF S U B J E C T S .
G elation and th ixotrop y, 116.
Germanium, determ ination of, in presence o f arsenic, 476.
Germanium tetrachloride, fluorin
ation of, 151.
Ginkgetin, structure of, 371.
Gitogenin, 353.
neoGitogenin, 354.
Glaucobilin, 325.
G loboglycoid, 408.
(3-Globulin, sedim entation of, 407.
Glucose, ph osp horylation of, 418.
Glucose 1-phosphate, form ation of, from starch, 420.
G lutam ic acid, deam ination of, by bacteria, 447.
t( + (-G lu ta m ic acid, fission of, by bacteria, 446.
G lutam ic acid dehydrogenase, extrac
tion of, from bacteria, 446.
G lycerol, preparation of, from allyl chloride, 205.
G lycine, fission of, b y bacteria, 446.
Glycosides, form ation of, in plants, 434.
Gold, determ ination of, b y electro
deposition, 473.
valen cy of, in com plexes, 73.
Gold halides, com plexes of, w ith triethyl-arsine and -phosphine, 133.
G ossypitrin, structure of, 371.
Grignard reaction w ith hydrocarbons, 285.
Growth substances, 430.
bacterial, 435.
chick anti-derm atitis, 226.
vapours, 432.
Guanidine group, planarity of, 193.
Haematin, requirement of, for Haemophilus, 442.
Haemin, com p lexity of, 324.
Haemocyanins, m olecular shape of, 412, 413.
Haemophilus, nu tritional require
m ents of, 441.
Haemophilus parainfluenzce, c u ltiv ation of, w ith factor V, 388.
growth of, in diphosphopyridine- nucleotide, 442.
oxidation o f aspartic and glutam ic acids b y, 447.
H alogens, ph otolysis of, 93.
H alogen compounds, bonds in, 76.
H an-fang-chi, alkaloids of, 378.
H ashish, con stitu en ts of, 374.
H ea t o f fusion, 172.
o f crystals, 171.
H eliotric acid, structure of, 376.
H eliotrine, 376.
H elium , atom s, quantum -m echani
cal energy of, 25, 28.
purification of, 162.
therm al diffusion o f m ixtu res o f brom ine and, 156.
v irial coefficients of, 31.
visco sity of, 35.
w ave fun ction of, 24.
H em icelluloses, 426, 427.
preparation of, pretreatm ent of m aterials for, 428.
H ep tald eh yde from castor oil, 213.
n-H eptane, separation of, from toluene, 456.
H eterocyclic com pounds, 364.
H exa-arylethan es, dissociation of, 250.
H exachlorodisilane, fluorination of, 151.
H exa - (/S/9 - dip henylvin yl) ethane, sta b ility of, 261.
H ex a - 3 - dip henylylethane, dissoci
a tio n of, 252.
H exafluogerm anates, 186.
H exa-p-ct/ciohexylphenylethane, dis
sociation of, 258.
H exact/ciohexylphenylethanes, 258.
H exam ethylenetetram ine, m olecular structure of, 72.
ci/ctoHexane, m olecular structure of, 65.
preparation of, 202.
H exaphenylethane, p -a lk y l deriva
tives, dissociation of, 254.
dissociation of, 267.
q/cioH exene, reactions of, w ith benzenediazonium chloride and w ith nitrosoacetanilide, 280.
H ex y l alcohols, p h ysical properties of, 206.
p -cyciollexyltrip h en ylm eth yl radical, 259.
H istam ine, determ ination of, and its production b y bacteria, 448, 449.
H olm ium , crvstal structure of, 128, 184.
H olm ium com pounds, 128.
-D-Homoandrostane derivatives, 344.
H om opterocarpin, 371.
Horm ones, 400.
anim al, from p lan t products, 347.
p itu itary anterior, gonadotrophic, 401.
grow th, 403.
lactogenic, 403.
thyrotrophic, 402.
wound, 222.
H orse-nettle. See Solatium elaeagni- fo liu m .
H ydrazine, m olecular structure of, 66.
ph otolysis of, 86, 274.
H ydrazine salts as anodic depolarisers 470.
I N D E X OF S U B JE C T S . 5 1 1
Hydrocarbons, carotenoid, isom eris
a tion of, 290.
pure, preparation of, 200.
therm al decom position of, 270.
Hydrogen, isotope, j3-active, 13.
isotopes, separation of, 159.
para-, conversion of, mercury- sensitised, 89.
photochem ical reaction of, w ith chlorine, 94.
therm al diffusion o f m ixtures of carbon dioxide and, 154, 156.
Hydrogen chloride, dipole m om ent of, 49.
electrode, p oten tial of, 469.
iodide, addition of, peroxide effect in, 209.
p h otolysis of, 99.
peroxide, m olecular structure of, 66.
photochem ical reaction of, w ith bromine, 96.
bisulphide, m olecular structure of, 66.
H ydrolysis, m echanism of, 229..
Hydropolym erisation, 205.
Hydroselenides, 135.
Hydroxam ic acids, preparation of, 208.
a-H ydroxy-acids, determ ination of, 227.
H ydroxyl radical, form ation of, 279.
H ydroxylam ine as anodic depolariser, 470.
H yodeoxycholic acid, conversion of, into progesterone, 340.
Im inophthalim idine, isoindole s y n theses from, 368.
Im m unochem istry, 394.
Indicators, fluorescent, 468.
Indium, isom erism of, 19.
isotopes, from fission, 10.
isolndoles, 367.
syntheses of, 367.
Indolylacetic acid, plant-grow th prom otion by, 430, 432.
Indolylbutyric acid, root-grow th stim ulation by, 431.
Infection, resistance to, vitam in-6' in, 391.
Insect w axes, 219.
Insulation, therm al, o f fractionating columns, 454.
Insulators, dielectric losses in, 57.
jooiylodides, 136.
Iodine, spectrum of, absorption, 80.
Iodine peratafluoride, crystal struc
ture of, 183.
Ionisation, energy of, 237.
Iridium caesium chloride, 135.
SM&phosphide, c r y s t a l s t r u c t u r e of, 184.
Iridium phosphides, 131.
Iron, overvoltage of, 470.
Iron arc as source o f ultra-violet light, 467.
Iron phosphide, 131.
Isomerides, nuclear, table of, 19.
Isomerism, nuclear, 16.
Isotopes, m ixed, thermal diffusion of, 35.
separation of, by thermal diffusion, 153.
Joule-T hom son coefficients o f gases, 30.
Juniperic acid, structure of, 220.
K erasin, 217.
Keratins, feather and wool, specificity of, 396.
K eratitis from riboflavin deficiency, 389.
K eten, polym erisation of, 208.
6-K etocholestanol, 356.
3-Keto-Zl‘-cho lestene, sulphonati on of, 358.
K etones, aliphatic, ph otolysis of, 276.
p h otolysis of, 81, 272.
K id ney extracts, glucose ph os
phorylation by, 418.
K inetics, 79.
K orper II, 330.
K ryp ton isotopes, from fission, 9.
separation of, 161.
Lacquers, ester solvents for, 205.
Lactobacillus, nutritional require
m ents of, 438.
Larch w ood, arabogalactan from, 427.
Laurie acid, sodium salt, solution equilibria of, 105.
Lead, determ ination of, as electro- ly tic a lly deposited oxide, 473.
separation of, from bism uth, 473.
L ead com plexes, configuration of, 182. -
sit&oxide, 125.
tetraethyl, therm al decom position of, 277.
di-Lelobanidine, 375.
L em on wood, hem icelluloses of, 428.
L eprosy, bactericides for treatm ent of, 225.
Lespedin, 371.
L espeza cryptobotrya, lespedin from, 371.
Leuconostoc, nutritional require
m ents of, 438.
Licanic acid, structure of, 215.
5 1 2 IN D E X OF S U B JE C T S .
Light, sources of, 467.
ultra-violet, for fluorescence excitation , 467.
Lignoceric acid, structure of, 217.
L inoleic acid, structure of, 212.
L inolenic acid, structure of, 212.
Liquids, dipole absorption by, 55.
quasi-crystalline, 168.
statistical theory of, 31.
therm al diffusion in, 162.
transition of, to solids, 168.
Lithocholic acid, conversion of, into progesterone, 340.
Liver, pan tothenic acid from, 226.
Liver diseases, vitam in-,4 deficiency in, 384.
L iver extracts, grow th substances from, 437.
yea st grow th stim u lan ts in, 434.
Lobelia inflata, alkaloids of, 375.
L ocust wood, black, hem icelluloses of, 428.
Lonicera tartarica, rootin g o f cuttings of, 431.
Lucerne h ay, hem icelluloses of, 428.
Lum isterol, 359.
r-Lupinine, syn th esis of, 376.
Lutein, isom erisation of, 292.
L utein diacetate, oxid ation of, 296.
L ycopenal, 295.
apo-3-Lycopenal, 295.
L ycopene, degradation of, 295.
neoLycopene, 292.
M agnetic su scep tib ility and free radical form ation, 263.
Maize m eal, plan t grow th inhibitor in, 433.
Mannan, spruce, 427.
Marihuana, con stitu en ts of, 374.
Marsh test, electrolytic, 475.
Meat extracts, determ ination in, o f creatine and creatinine, 465.
M elting and crystal structure, 171.
Mercuric halides, com plexes of, w ith tert. - a lk yl - arsines and - phos- phines, 131.
Mercury, determ ination of, in brass, 476.
isotopes, separation of, 458.
sensitisation by, o f ph otolysis, 89.
specific heat of, in neighbourhood o f m. p., 169.
Mercury arc as source o f ultra-violet light, 467.
diethyl, ph otolysis of, 273.
halides, com plexes of, w ith ter
tia ry arsines and phosphines, 186.
salts, thiobasic, 126.
M esobilichrysin, 329.
Mesobilifuscin, 330.
M esobilirhodin, syn th esis of, 329.
Mesobilirubin, syn th esis of, 328.
M esobiliviolin, syn th esis of, 329.
Mesohsemin, preparation of, 325.
M etabolism , carbohydrate, effect of anterior p itu itary horm ones on, 404.
M etalloporphyrins, 413.
Metals, determ ination of, b y internal electrolysis, 476.
electrodeposition of, 469.
liquid, visco sity of, 169.
M etallic carbonyls, 129.
M ethane, isotopes, therm al diffusion of, 35.
ph otolysis of, mercury-sensitised, , 91.
M ethane, tetrcmitro-, m olecular struc
ture of, 71, 72.
p-M eth oxybenzhyd ryl chloride, alco
h o lysis of, 242.
p - M ethoxydiphenyl - 4 - diphenylyl- m eth yl, sta b ility of, 254.
M ethyl, free, reactions of, 87.
M ethyl alcohol, ph otolysis of, 99.
separation of, from benzene, 455.
M ethylacrylic acid, m eth y l ester, polym erisation of, w ith styrene, 290.
/3-Methylally 1 chloride from iso
bu tylene, 205.
M eth y l-J 4-androsten-3-one, 17-hydr
oxy-, 333.
p-M ethylbenzhydryl chloride, hydro
ly sis of, 248.
M ethylboranes, structure of, 141.
M ethylboric acid, and its anhydride, 146.
M ethylboron fluoride, 147.
M ethyldiborane, 141.
M eth yld ioctylacetic acid, 225.
M ethylene dichloride, v alen cy angles in, 55.
3 : 4-M ethylenedioxytriphenylm ethyl, sta b ility of, 254.
M ethyl e th y l ketone, ph otolysis of, 85, 86, 88, 273.
Methy lcj/cZohexane, preparation of, 202.
M ethyl iodide, ph otolysis of, 86.
2-M ethyl-l : 4-naphthaquinone, deter
m ination of, colorim etricallv.
464.
3-M ethyl-3-«-octyl-n-undecoic acid, 226.
Methylcf/ciopentane, preparation of.
202.
M ethyl radical, reactions of, 271.
10-M ethylstearic acid, syn th esis o f 223.
17-M ethyltestosterone, a c tiv ity o f 332.
17(epi)-M ethyltestosterone, 333.
I N D E X OF S U B J E C T S . 5 1 3
N -Methy ltriborinetriam ines, synthesis of, 143.
Milk, determ ination in, o f riboflavin, 467.
lactic bacteria from, 437.
nu tritive value of, 393.
Milkweed, proteases from, 429.
Molecular structure, from dipole m om ents and electron diffrac
tion, 67.
Molecules, hindered rotation of, 176.
non-polar, effect o f vibration in, 52.
M olybdenum, isotopes, from fission, 9.
M olybdenum carbonyl, 130.
phosphide, 131.
M onocrotalic acid, 376.
Monocrotaline, 376.
Monocrotic acid, 376.
M ontmorillonite, v iscosity o f su s
pensions of, 121.
Mucilages, plan t, 425.
Myelomatosis, serum proteins in, 409.
Myosin, m olecular shape of, 412.
a-Naphthaflavone as fluorescent indicator, 468.
Naphthapyrans, colour of, 366.
N aphthoxyacetic acid, and its salts, growth stim ulation b y, 433.
Neon, atom s, quantum -m echanical energy of, 26.
isotopes, separation of, 156, 456.
therm al diffusion of, 35.
Nephrosis, serum proteins in, 409.
Neutrons, m agnetic m om ent of, 21.
scattering of, 21.
Nickel, determ ination of, in zinc, 476.
overvoltage of, 470.
separation of, from cobalt, 475.
valency of, in glyoxim es, 72.
N ickel bronze, analysis of, 475.
isoNicoteine, structure of, 376.
N icotinic acid, determ ination of, 388, 465.
requirement of, for bacteria, 436, 437, 438.
Niobium halides, crystal structure of, 182.
penfoxide, m . p. of, 133.
oxides, 133.
Nitrogen, fixation of, b y bacteria, 443.
h eavy, separation of, b y therm al diffusion, 160.
N itrogen tribromide, 130.
Nitrosoacylarylam ines, reactions of, 281.
N itrosoam ines, ph otolysis of, 273.
E E P . —VOL. x x x v n .
N itrosyl chloride, p h otolysis of, 93.
N odakenetin, structure of, 372.
Nodakenin, 372.
apo-3-N orbixinal m eth yl ester, 296.
N uclei, fission of, 8.
N u trition and vitam ins, 383.
in wartime, 393.
level of, 387.
Oak wood, hem icelluloses of, 427.
Oat hulls, hem icelluloses of, 428.
Oatmeal, nu tritive value of, 393.
Octadecenoic acids, isolation and purification of, 213.
n- OctadecyIci/cZohexane, preparation of, 202.
Octane, therm al decom position of, 271.
MoOctane, anti-kriock properties of, 204.
n-OctylcycZohexane, preparation of, 2 0 2.
CEstriol, 333.
O iticica oil, licanic acid from, 215.
Olefins, addition o f hydrogen bro
m ide of, 289.
addition o f hydrogen iodide to, 209.
dehydrogenation of, 203.
halogenation of, 205.
Olefinic acids, purification of, 211.
Oleic acid, structure of, 211.
Organic compounds, colorim etry of, 463.
Ornithine, form ation of, from l( -j- )- arginine b y bacteria, 450.
O vervoltage, 470.
O voglobulin, m olecular shape of, 412.
O xalic acid, lead salt, structure of, 182.
uranyl salt, p h otolysis of, 93.
O xidation, biological, 415.
O xygen, heavy, separation of, by therm al diffusion, 160.
use of, in esterification and hydrolysis, 231.
isotopes, separation of, 456.
rings, natural products containing, 370.
Packing m aterials for fractionating colum ns, 454.
Palladium , valen cy of, in com plexes, 73.
Palladium caesium chloride, 135.
Pantothenic acid, deficiency sy m p tom s of, 390.
d eterm ination of, in blood, 390.
b y grow th response, 433.
in extracts, 442.
R
5 1 4 IN D E X OF S U B J E C T S .
P an toth en ic acid, requirem ent of, for bacteria, 436, 437, 438.
structure and properties of, 389.
structure and syn th esis of, 226, 433.
P antothenic acid, hyd roxy-, 229.
Papain from pap aya latex, 429.
P ap aya latex, papain from, 429.
Paprika, pigm ents of, determ ination of, 463.
Paraffins, chlorination of, 205.
nitration of, 207.
vapour-phase, 275.
Paraffins, nitro-, m anufacture of, 207.
Paraffin w ax, fractionation of, 458.
Parinaric acid, structure of, 214.
P a rin ariu m laurinum , parinaric acid from, 214.
Pasteurella, nutritional requirements of, 439.
Pastes, flow of, 112.
P ea plants, leaves, p la n t grow th inhibitor in, 433.
P ean ut oil, acids from, 217.
P ectic acids, 423.
Pectin , jelly form ation by, 424.
structure of, 424.
Pedicellin, 370.
Pedicin, 370.
i.soPedicin, 370.
i/i-isoPedicin, 370.
Pedicinin, 370.
Pellagra-preventive factor. See N icotinic acid.
Penta-arylethanes, 261.
Pentaborane, 149.
neoPentane, therm al decom position of, 271.
cycZoPentane, preparation of, 202.
P entaphenylethane, dissociation of, 260, 263.
Pentaphenylci/cZopentadienyl, m ag
netic m easurem ents w ith, 267.
P en td yop en t reaction, 331.
cis-Pentene-2, purification of, 457.
neoPentyl group, rearrangem ent of, 231.
P ep tisation , 107.
P eroxide effect, 209.
P etroleum , fractionation of, 458.
hydrocarbons, therm al decom position of, 270.
industry, 200.
Peucedanum decursivum, nodakenin from, 372.
P henanth ryld ip henylm eth yls, sta b ility of, 259.
Phenol, o-chloro-, conversion of, into f} - (o - chlorophenyl)gentiobioside in plants, 435.
o-nitro-, determ ination of, in p - nitrophenol, 468.
Phenolphthalins, isobenzfuran sy n theses from, 369.
P h en o x y l radical, 284.
P h en y l b en zyl ether, Claisen re
arrangem ent of, 284.
Phenyldiazocyanides, stereoisom er
ism of, 71.
cuoj'-Phenylpolyenes, param agnetism of, 267.
P h en y l radical, form ation of, 279, 285.
stab ility of, 273.
Phenylureidoproteins, 397.
P hosphides, 131.
Phosphine. See Phosphorus i n hydride.
Phosphines, tertiary, com plexes of, w ith cadm ium and mercury halides, 186.
Phosphonitrile chlorides, fluorination of, 153.
Phosphorus, peniabrom ide, crystal structure of, 185.
pentachloride, crystal structure of, 185.
cyanate, 127.
peratafluoride, crystal structure of, 182.
halides, fluorination of, 151.
tnh ydrid e, ph otolysis of, 91.
reaction o f diborane w ith, 145.
oxides, m olecular structure of, 72.
Phosphorylase, 420.
P hosphorylation, v ita m in -# , and, 386.
P hotochem ical decom position, 272.
prim ary quantum efficiency, 87.
processes, prim ary, 79.
reactions, kinetics of, 93.
P hotochem istry, u ltra-violet, 96.
P h o tolysis o f aldehyd es and ketones, 81.
relation of, to fluorescence in gases, 81.
Photom eter, photo-electric, 462.
Photopyrocalciferols, 360.
P hotosensitisation by m etallic v a pours, 92.
Phrenosin, 217.
P hthalocyanine, and its m etallic derivatives, structure of, 188.
P hthalon itrile, isoindole syntheses from, 367.
Phthioic acid, structure of, 223.
neoPhysalien, 292.
P icryl iodide, m olecular structure of, 178.
P igm ents, linear, 325.
dl-n- and -iso-Pilocarpines, syn thesis of, 381.
Pilosinine, 381.
Pilosinic acid, syn th esis of, 381.
I N D E X OF S U B J E C T S . 5 1 5 Pim elio acid, requirem ent of, for
bacteria, 437.
P in e w ood, constituents of, 426.
Pineapples, brom elin from, 429.
Piperidine bases, 375.
P itu itary, anterior, horm ones of, 401.
Plan ts, biochem istry of, 419.
glycosid e form ation in, 434.
grow th of, inhibitor for, 433.
substances prom oting, 430.
proteases of, 429.
w ound horm one of, 433.
P lan t roots, form ation of, induced by grow th substances, 431.
P la n t w axes, 219.
"Plasticity, 124.
P latinum , v a len cy of, in com plexes, 73.
P latinum caesium chloride, 135.
Pneum ococci, im m unity to, con ferred b y -syn th etic antigens, 396.
Polarisation, atom , electron, and orientation, 57.
atom , expression for, 60.
electric, effect o f intram olecular vibrations on, 51.
m olecular, expression for, 61.
orientation, expression for, 60.
vibration, 63.
Polym erides, viscosity of, 123.
Polym erisation, acceleration of, 289.
Polyneuritis, pyru vate oxidation in brain in, 386.
P olysaccharides, bacterial, 426.
P om egranate seed, punicic acid from, 214.
Porphyrins, conversion of, into bili- rubinoids, 325.
determ ination of, b y fluorescence, 466.
properties of, 325.
Porphyrin c, 324.
Potassam ide, reactions of, w ith p o ta s
sium nitrate and nitrite, 137.
Potassium fluoroiodate, crystal stru c
ture of, 181.
po/(/iodides, 136.
sulpham ate, structure of, 185.
P otatoes, n u tritive valu e of, 393.
phosphorylase from, 421.
w ound form ation in, effect o f traum atic acid on, 433.
P oten tial, difference of, betw een m etals and solution s o f their ions, 469.
e-Potential, 101.
^-Potential, 101.
zl5;1,-Pregnadien - 21 - al, 3(/8) - hyd r
o xy-, 339.
A 5:17 - Pregnadiene, 3(j8) - 21 - dihydr
o xy-, 338.
A 4:17 - Pregnadien - 3 - one, 21 - hyd r
oxy-, 338.
Pregnane, derivatives of, from sapo
genins, 351.
syn thesis of, from androstane derivatives, 334.
Pregnane, 3 : 1 6 : 20-trihydroxy-, 352.
aiioPregnane, 3(/3): 17(/3)-dihydroxy-, 335.
Pregnane ketones, oxidation of, w ith lead tetra-acetate, 343.
zl20-oiZoPregnene, 3(/3) : 17(a)-dihydr- oxy-, isom erisation of, 336.
Pregnene aldehydes, 337.
<d4-Pregnene-3 : 20 - dion - 21 - al, sy n thesis of, 337.
A 1-a2ioPregnenedione, 340.
A 5-Pregnenolone, 344.
isoPregnenolone, 344.
A 5 - isoPregnenolone, 17 - hyd roxy -, 346.
neoPregnenolone, 344.
Prem elting, 174.
Prim etin, structure of, 370.
Progesterone, 340.
hydroxy-derivatives, progest
ation al a c tiv ity of, 342.
syn th esis of, 340.
neoProgesterone, 345.
Prolactin, 403.
Prolan, 401.
Propane, m ercury - photosensitised reactions of, 272.
purification of, 456.
Propane, nitro-, determ ination of, colorim etrically, 464.
Propionibacterium pentosaceum, fis
sion o f cystein e b y, 446.
n-P ropyl alcohol, distillation o f azeo- tropic m ixtures of, w ith water, 460.
P rop yl bromides, exchange reactions of, w ith radioactive bromide ions, 247.
n-Propyldiborane, 141.
Propylene, polym erisation of, 203.
isoPropylci/ciohexane, preparation of, 202.
p - isoPropylphenyldiphenylm ethyl radical, 256.
P roteases, plan t, 429.
Proteins, 404.
adsorption of, 414.
B ence-Jones, 396.
dipole m om ents of, 56.
electrophoresis and sedim entation of, 406.
hom ogeneity and m olecular size of, 405.
im m unological properties of, effect o f su b stitu tion on, 396.
m olecular shape of, 409.
serum, 407.
