LITERATUEE 267 



" CASTLE, W. E.: The Early Embryology of dona intestinalis Flem- 

 ming (L.). Mus. Com. Zool. Bull. 27, 1896, 201-280. 



18 CASTLE, W. E. : Genetics and Eugenics. Cambridge, 1916, pp. 353. 



* 9 CASTLE, W. E., and LITTLE, C. C. : On a Modified Mendelian Ratio 

 Among Yellow Mice. Science, N. S., 1910, xxxii, 868-870. 



20 CASTLE, W. E., and WRIGHT, S. : Studies of Inheritance in Guinea- 



pigs and Rabbits. Carnegie Inst. Pub. 241, Washington, 1916, 

 pp. 192. 



21 CASTLE, W. E., CARPENTER, F. W. et al: The Effects of Inbreeding, 



Cross-breeding, and Selection upon the Fertility and Variability 

 of Drosophila. Proc. Amer. Acad. Arts and Sci., 1906, xli, 731-786. 



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



Science, N. S., 1906, xxiv, 658-665, 699-707, 732-742. 



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



24 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 iiber Inzucht und ihre Leistung auf 



verschiedenen Zuchtgebieten. Hamburg, 1909. 



2 <* COLLINS, G. N. : Increased Yields of Corn from Hybrid Seed. Year- 

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



2 ? 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. 146, 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 Uebersicht der bekannten Falle von Knos- 



penvariation. Haarlem, 1907, pp. 474. 



34 CRAMPE, H. : Zuchtversuche mit zahrnen Wanderratten. Landw. 



Jahrb., 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 Wachstuim des Menschen. Leipzig, 1902, pp. 475. 



