520 JOURNAL OF JURISTIC PAPYROLOGY
are a c c u s t o m e d t o — in t h e sense of a decreased diligence b u t r a t h e r in t h e sense of an increased one. T h i s idea comes n o t f r o m a j u -rist b u t it r e p r e s e n t s t h e c o m m o n opinion. T h e a u t h o r tries t o explain h o v t h e R o m a n law developed a n idea q u i t e opposite t o t h e l a t t e r .
L. G e r n e t , Sur Vobligation contractuelle dans la vente hellénique (AHDO + RIDA I I [1953] 229—247).
T h i s article is also w o r t h consideration of t h e p a p y r o l o g i s t s b e c a u s e of its o f t e n r e f e r r i n g t o t h e p a p y r i (cf. p . 2351 7, 2 4 4 — 5 ,
246 ff.).
T h e same holds good of:
J . D e m e y r e , Le contrat de vente en droit grec classique: les obliga-tions des parties (AHDO + RIDA I I [1953] 197—228). cf. p . 209 or 22 1 98 on βασιλικόν κώλυμα,
a n d :
H . P e t s c h o w , Der Surrogationsgedanke im naubaby loni sehen Recht (RIDA, I I I Serie, vol. I [1954] 125—171).
cf. p . 1276, 128, 141, 150 151, 155.
F . P r i n g s h e i m , Gegen die Annahme von „Vorstufen" des kon-sensualen Kaufes im hellenistischen Recht (Iura Y I [1955] 18—30). N e i t h e r t h e a g r e e m e n t a b o u t t h e f u t u r e sale on cash nor t h e a s s u r a n c e of a f u t u r e p a y m e n t b y an arrha or lien c r e a t e an obli-gation. D e m . 41, 8—8 and B G U 1146 do n o t a t t e s t t h e responsi-bility for t h e price a n d P . H i b . 84 is a sale on delivery where t h e obligation t o deliver is modelled a f t e r t h e p a t t e r n of a loan.
F . P r i n g s h e i m , Griechische Kauf-Horoi (Festschrift H. Leivald [1953] 143—160).
T h e a u t h o r seeks t o prove t h a t t h e r e was a sort of δροι w h i c h a t t e s t for Greece t h e existence of t h e " s a l e on c r e d i t " or t h e " s a l e on d e l i v e r y " . H e m a k e s also use of t h e papyrological m a t e r i a l (cf. e. g. p. 1449).
