BIBLIOGRAPHY 339 



— 1912. Heredity of body color in Drosophila. Jour. Exp. Zool. XIII. 



1912. A modification of the sex-ratio, and of other ratios, in Droso- 

 phila through linkage. Zeits. Abst.-Vererb. VII. 



— 1912. The explanation of a new sex-ratio in Drosophila. Science n.s. 

 XXXVI. 



— 1912. Complete linkage in the second chromosome of the male. Ibid. 

 XXXVI. 



— 1912. The elimination of the sex-chromosomes from the male-produc- 



ing eggs of Phylloxerans. Jour. Exp. Zool. XII. 



— 1914. The failure of ether to produce mutations in Drosophila. Amer, 

 Nat. XL VIII. 



1914. No crossing over in the male of Drosophila of genes in the 



second and third pairs of chromosomes. Biol. Bull. XXVI. 



1914. Two sex-linked lethal factors in Drosophila and their influence 



on the sex-ratio. Jour. Exp. Zool. XVII. 



1914. Heredity and sex. New York. 



1915. The predetermination of sex in Phylloxerans and Aphids. Jour. 



Exp. Zool. XIX. 



— 1915. The infertility of rudimentary winged females of Drosophila 

 ampelophila. Amer. Nat. XLIX. 



— 1915. The constitution of the hereditary material. Proc. Amer. Phil. 

 Soc. LIV. 



— 1915. The role of the environment in the realization of a sex-linked 



Mendelian character in Drosophila. Amer, Nat. XLIX. 



— 1915. Localization of the hereditary material in the germ cells. Proc. 

 Nat. Acad. Se. I. 



— 1916. A critique of the theory of evolution. Princeton Press. 

 1917. An examination of the so-called process of contamination of 



the genes. Anat. Eec. XI. 



1917. The theory of the gene. Amer. Nat. LI. 



1918. Concerning the mutation theory. Sc. Mo. V. 



1918. Changes in factors through selection. Ibid. V. 



1918. Evolution by mutation. Ibid. VI. 



1919. A demonstration of genes modifying the character "notch." 



Carnegie Inst. Wash. No. 218. 



1919. The physical basis of heredity. Philadelphia. 



- 1922. The mechanism of heredity. Nature CIX, Feb. 23, Mar. 2, 

 Mar. 9. 



1922. On the mechanism of heredity. Croonian Lecture. Proc. Eoy. 



Soc, B. XCIV. 



1923. The modern theory of genetics and the problem of embryonic 



development. Physiol. Eev. III. 



— 1924. Are acquired characters inherited? Yale Review. XIII. 



— 1924. Human inheritance. Am. Nat. LVIII. 

 1926. Eecent results relating to chromosomes and genetics. Quart. Rev. 



Biol. I. 

 Morgan, T. H., and Bridges, C. B. 1913. Dilution effects and bicolorism in 



certain eye colors of Drosophila. Jour. Exp. Zool. XV. 

 1916. Sex-linked inheritance in Drosophila. Carnegie Inst. Wash. No. 



237. 



