CHAPITRE XVf 

 liO. variation 



Anonyme. — Supposed Degeneration of Vegetables in the Tropics. (Journ. 

 of Heredity, VIII, janv., 20.) [281 



Anonyme. — Studî/ of Egg-Production in Poultry. (Journ. of Heredity, 

 VIII, march, 131.)' , [279 



Anonyme. — A non-broody Strain of Rhode Island Red Foids. (Journ. of 

 Heredity, VIII, april, 163.) [279 



Anonyme. — The hairs of Nettles. (Journ. of Heredity, VIII, 240, 1 fîg.) 



[276 

 Anonyme. — The blind cave fîsh. (Journ. of Heredity, VIII, 448-451, 2 fig.) 



[279 



Anonyme. — The too perfect milkvoeed. (Journ. of Heredity, VIII, 460-463, 



1 fig.) [276 



Anonyme. — The hairless dog. (Journ. of Heredity, VIII, 519-520, 2 fig.) 



[277 



Blakeslee (A. F.). — Co7'n and éducation. (Journal of Heredity, VIII, 2, 



4 fig.) [282 



Cockerell (I. D. A.). — Somalie mutations in Sunftoiuers. (Journ. of Here- 

 dity, VIII, 467-470, 2 fig.) [285 



Dangeard (P. A.). — Note sur des cultures de Gonium sociale. (Bull. Soc. 

 bot. de Fr., LXIII, 43-46.) [283 



Devaux (H.). — Sur les procédés culturaux permettant d'augmenter beau- 

 coup la production du blé. (C. R. Ac. Se, CLXIV, 191.) [279 



De-witz (J.). — Ueber die Entstehung rudimentàrer Organe bei den Tieren. 

 (Zool. Jahrb. (Abt. Allg. Zool.), XXXVI, 231-244.) [276 



East (E. M.). — The bearing of some gênerai biological facts on bud- 

 variation. (Amer. Natur., LI, 129-143.) [284 



a) Hanee (Robert T.). — Studies on a race of Paramœcium possessing 

 extra contractile vacuoles. I. An account of the morphology, physiology, 

 genetics and cytology of this new race. (Journ. Exper. Zool., XXIII, 288- 

 326, 3 pi. 12 diagr.) [278 



b) An attempt to modify the germ plasm of Œnolhera through the 



germinating seed. (Amer. Natur., Ll, 567-572.) 



[Traitement de graines d'Œnothera biennis par des substances va- 

 riées, acides, alcools, etc., dans l'espoir de provoquer des mutations. Le 



