Literatur. 165 



IX. Woodruff L. L. and Baitsell G. A., The Temperature Coefficient of the 

 Rate of Reproduction of Paramaecium aurelia. American 

 Journal of Physiology. XXIX. 147. 1911. 



VIII. Woods Frederick Adams, Mental and Moral Heredity in Royalty. 

 New York. H. Holt u. Co. (294.) 1906. 



VIII. ■ — — American Breeders Association. Report of the Committee of 

 Eugenics. V. (248.) 1908. 



VIII. — — Laws of Diminishing environmental Influences. Populär 

 Science Monthly. 313. April. 1910. 



IX. Woolley V. J., The Temperature-coefficient of the Rate of conduction 

 and of the latent j^eriod in muscle. Journal of Physiology. 

 XXXVII. 123. 1908. 



VII, 8. Wortmann J., Der Thermotropismus der Plasmodien von Fuligo 

 varians (Aethalium septicum d. Ant.) Berichte Deutschen 

 Botanischen Gesellschaft. III. 117. 1885. 



VIII. Yerkes R. M., The formation of habits in the turtle. Populär Scientific 

 Monthly. LVIII. .519. 1901. 



IX. Yeo G. F. und Cash Th., Ont he Relation between the active Phases 

 of Contraction and the Latent Period of Skeletal Muscle. The 

 Journal of Physiology. IV. 198. 1883. 



IX. Yeo Gerald F., Ont he normal Duration and Significance of the ,, latent 

 period of excitation" in Muscle-Contraction. Journal of Physio- 

 logy. IX. 396. 1888. 



VIII. Yerkes R. M., Habit formation in the green crab, Carcinus granulatus. 

 Biological Bulletin. III. 241. 1902. 



VIII. — — The Instincts, habits and reactions of the frog. I. Associative 

 processes of the green frog. Harvard Psychological Studies. 

 I. 579. 1903. 



VIII. Yerkes R. M, und Huggins G. E., Habit formation in the Crawfish, 



Cambarus affinis. Harvard Psychological Studies. I. 565. 1903. 



V, 1. Zahn, Über Protoplasmagifte. In.-Diss. Erlangen. 1901. 



VIII. Zeleny Charles, The Effect of Successive Removal upon the Rate of 

 Regeneration. Journal Experimental Zoology. VII. 477. 1909. 



VIII. The Relation between Degree of Injury and Rate of Rege- 

 neration, additional Observations and General Discussion. 

 Journal Experimental Zoology. VII. 513. 1909. 



V, 7. Zuelzer Margarete, Über die Einwirkung der Radiumstrahlen auf 

 Protozoen. Archiv f. Protistenkunde. V. 358. 1905. 



