LITERATURE 267 



17 Castle^ W. E.: The Early Embryology of Ciotia intestinalis Flem- 



ming (L.). Mus. Com. Zool. Bull. 27, 1890, 201-280. 

 IS Castle^ W. E. : Genetics and Eugenics. Cambridge, 1910, pp. 353, 

 1^ Castle, W. E., and Little, C. C: On a Modified Mendelian Ratio 

 Among Yellow Mice. Science, N. S., 1910, xxxii, 808-870. 



20 Castle, W. E., and Wright, S.: Studies of Inheritance in Guinea- 



pigs and Rabbits. Carnegie Inst. Pub. 211, Washington, 1910, 

 pp. 192. 



21 Castle, W. E., Carpenter, F. W. et ah: The Effects of Inbreeding, 



Cross-breeding, and Selection upon the Fertility and Vaiiability 

 of Drosophila. Proc. Amer. Acad. Arts and Sci., 1900, xli, 731-780. 



22 Cattell, J. M. : A Statistical Study of American Men of Science. 



Scie7ice, N. S., 1900, xxiv, 058-005, 099-707, 732-742. 



23 Caullery, M. : Les problemes de la sexualite. Paris, 1917, pp. 332. 

 2^ Chamberlain, H. S.: The Foundations of the Nineteenth Century. 



Trans. J. Lees. 2 vol. New York, 1910, pp. 578-580. 



25 Chapeaurouge^ A. de : Einiges liber Inzucht und ihre Leistung auf 



verschiedenen Zuchtgebieten. Hamburg, 1909. 



26 Collins, G. N. : Increased Yields of Corn from Hybrid Seed. Year- 



book U. S. Dept. AgT., 1910, 319-328. 



27 Collins, G. N. : The Value of First Generation Hybrids in Corn. 



Bull. 191, Bur. Plant Ind., U. S. Dept. Agr., 1910, pp. 45. 



28 Collins, G. N., and Kempton_, J. H. : Effects of Cross-pollination on 



the Size of Seed in Maize. Cir. 124 U. S. Dept. Agr. 1913, 9-15. 



29 Collins, G. N. : A More Accurate Method of Comparing First Gen- 



eration Hybrids with Their Parents. Jour. Agr. Res., 1914, iii, 

 85-91. 



30 Collins, G. N. : Maize : Its Origin and Relationships. Notes of the 



123d Regular Meeting Bot. Soc. Wash., Jour. Wash. Acad. Sci., 

 1918, viii, 42, 43. 



31 Cook, 0. F. ; The Superiority of Line Breeding Over Narrow Breed- 



ing. Bull. 140, U. S. Dept. Agr., Bur. Plant Ind., 1909, pp. 45. 



32 Coulter, J. M. : The Evolution of Sex in Plants. Chicago, 1914, 



pp. 140. 



33 Cramer, P. J. S. : Kritische Uebei^icht der bekannten Fiille von Knos- 



penvariation. Haarlem, 1907, pp. 474. 



34 Crampe, H. : Zuchtversuehe niit zahmen Wanderratten. Landw. 



Jahrh., 1883, xii, 389-458. 



35 Cull, S. W. : Rejuvenescence as the Result of Conjugation. Jour. 



Exp. Zool., 1907, iv, 85-89. 



36 Daffner^ F. : Das Wachstmn des Menschen. Leipzig, 1902, pp. 475. 



