Biologia generalis. 



34 



25890 Wright, Jonathan. 5/5.1 



1909. The Theories and Problems of Heredity. New York med. Journ. 



Toi. 29 p. 1078-1083. 

 25900 Dixon, G* B. 575.2 



1897. Supposed Causes of Variation. Trans. Leicester liter. philos. Soc. 



Toi. 4 p. 374-385. [Insects.] 



01 Tower, William D. 575.2 



1906. Expérimental Investigations of the production and préservation of 

 new character races and species in insects. 4th Year Book Carnegie Inst. 

 Washington p. 280— 288. [Abstract of report.] 



02 di Cesnola, A. P. 575.2 



1907. A First Study of Natural Sélection in „ Hélix arbustorum" {Helico- 

 gena). Biometrika Yol. 5 p. 387—399, 1 pl., 9 figg. 



03 Crampton, H[enry] E. 575.2 



1907* A Study in Variation, Geographical Distribution and Mutation in 

 Snails of the Genus Partula from Tahiti. (Amer. Ass. Adv. Se.) Science 

 N. S. Yol. 25 p. 729. 



04 Wheeler, William Morton. 575.2 



1907. Pink Insect Mutants. Amer. Natural. Yol. 41 p. 773—780. 



05 Brues, Charles T. 575.2 



1908. Is Mutation a Factor in the Production of Vestigial Wings Among 

 Insects? Journ. N. Y. entom. Soc. Yol. 16 p. 45—52, 1 fig. 



06 Castle, W. E. 575.2 



1908. A New Color Variety of the Guinea-Pig. Science N. S. Yol. 28 p. 

 250-252. 



07 Fruwirth, C. 575.2 



1908. Der heutige Stand der landwirtschaftlichen Pflanzenzüchtung. Med. 

 Klin. Jahrg. 4 p. 541-548, 589—591. 

 25908 Hagedoorn, Arend L. 575.2 

 1908. Origin of Two New Retrogressive Varieties by One Mutation in 

 Mice. (Preliminary Notice.) Univ. California Public. Physiol. Yol. 3 p. 

 87—90. [Cross-breeding-experiments.] 



09 Kribs, H. G. 575.2 



1908. Note on the Relative Variability of the Sexes in Car abus auratus 

 L. Biometrika Yol. 6 p. 103-105. 



10 Meissner, Otto. 575.2 



1908. Die Flügellosigkeit mancher Insektenweibchen. Eine Instanz lür 

 das Li amarck' sehe Prinzip? Soc. entom. Jahrg. 23 p. 42—44. 



11 Spillman, W. J. 575.2 



1908. The Origin of Varieties in Domesticated Species. Science N. S. 

 Yol. 28 p. 252-254. 

 VI Walton, Li B. 575.2 

 1908. The Variability of Zygospores in Spirogyra quadrata (Hass.) form- 

 ed by Scalariform and by Lateral Conjugation, and its bearing on the 

 Theory of Amphimixis. (Amer. Soc. Zool.). Science N. S. Yol. 27 p. 

 907. 



13 Zanolli, Velio. 575.2 



1908, Nota sulla teoria délia variabilità e della correlazione. Atti Soc. 

 romana Antrop. Yol. 14 p. 331— 365, 2 figg. 



14 Cattaneo, G. 575.2 



1909. Sull' applicabilità alla zoologia della teoria delle mutazioni perio- 

 diche. Monit. zool. ital. Ann. 20 p. 84-88. 



15 Cox, Charles F. 575.2 



1909. Charles Darwin and the Mutation Theory. Amer. Natural. Yol. 43 

 p. 65-91; Ann. N. Y. Acad. Sc. Vol. 18 p« 431-451. 

 lü Gates. R. R. 575.2 

 1909. Apogamy in Oenothera. Science N. S. Yol. 30 p. 691— C94. 

 25917 Holmes, S, J. 575.2 

 1909. The Catégories of Variation. Amer. Natural. Yol. 43 p. 257 — 

 285. 



15. I. 1910. 



