500 HEREDITY AND ENVIRONMENT 



Pearl, R. The Mode of Inheritance of Fecundity in 

 the Domestic Fowl. Jour. Exp. Zool. 13, 1912. 



Pearson, K. Tuberculosis, Heredity and Environ- 

 ment. London, 1912. 



Pearson, K., Nettleship, E., Usher, C. Monograph 

 on Albinism in Man. London, 1911. 



Plate, L. Bemerkungen iiber die Farbenrassen der 

 Hausmaus und die Schreibweise der Erbformeln. 

 Zeit. f. induk. Abstam. 6, 1912. 



Rosanoff, A. J. The Inheritance of the Neuro- 

 pathic Constitution. Jour. Am. Med. Assoc. 

 58, 1912. 



ShuU, G. H. Hybridization Methods in Com Breed- 

 ing. Am. Breeder's Mag. 1, 1910. 



Stevens, N. M. Studies in Spermatogenesis with 

 Especial Reference to the "Accessory Chromo- 

 some." Carnegie Inst. Wash. Publ. 36, 1905. 



Stockard, C. R. An Experimental Study of Racial 

 Degeneration in Mammals Treated with Alcohol. 

 Arch. Intemat. Med. 10, 1912. 



Stockard, C. R. The Experimental Production of 

 Various Eye Abnormalities, etc. Arch. f. ver- 

 gleich. Ophthal. 1, 1911. 



Summer, F. B. An Experimental Study of Somatic 

 Modifications and their Reappearance in the Off- 

 spring. Arch. Entw. Mech. 30, 1910. 



Tennent, D. H. Studies in Cytology, I and II. 

 Jour. Exp. Zool. 12, 1912. 



Tennent, D. H. The Dominance of Maternal or of 

 Paternal Characters in Echinoderm Hybrids. 

 Arch. Entw. Mech. 29, 1910. 



Tower, W. L. An Investigation of Evolution in 

 Chrysomelid Beetles of the Genus Leptinotarsa. 

 Carnegie Inst. Wash. Publ. 48, 1906. 



