BIBLIOGRAPHY AND AUTHOR-INDEX 425 



MORANT, G. M. 1928. A preliminary classification of European races based on 



cranial measurements. Biometrika. 206. 341 

 MORGAN, L. V. 1922. Non-criss-cross inheritance in D. melanogaster . Biol. 



Bull. 42. 82 

 MORGAN, T. H. 1911. Random segregation versus coupling in mendelian 



inheritance. Sci. 34. 49 

 1915. The predetermination of sex in phylloxerans and z^hids. J.Exp. 



Zool. 19. 229 



1926. The theory of the gene. New Haven. 91, 121, 229 



1927. Experimental embryology. New York. 137 

 1934. Embryology and Genetics. New York. 147 



1938. The genetic and the physiological problems of self-sterility in 



Ciona. I and II. J. Exp. Zool. 78. 58 

 and BRIDGES, c. b. 1919. The origin of gynandromorphs. Cam. Inst. 



Publ. 278. 86 

 BRIDGES, c. B., and STURTEVANT, A. H. 1925. The genctics of Drosophila. 



Bibliog. Gen. 2. 76, 264 

 MORTIMER, c. H. 1935. Untersuchungen iiber den Generationswechsel bei 



Cladoceren. Naturwiss. 23. 60, 231 

 MULLER, H. J. 1916. The mechanism of crossing over. Am. Nat. 50. 89 



191 8. Genetic variabihty, twin hybrids, and constant hybrids in a case 



of balanced lethal factors. Gen. 3. 93, no 



1925. Why polyploidy is rarer in animals than in plants. Am. Nat. 59. 

 79. 254 



1925a. The regionally differential effects of X-rays on crossing over in 

 the chromosomes of Drosophila. Gen. 10. 93 



1926. The gene as the basis of hfe. Proc. Int. Cong. Plant Sci. Ithaca. 379 



1927. Artificial transmutation of the gene. Sci. 66. 382 



1928. The measurement of the gene mutation rate in Drosophila. Gen. 13. 

 381 



1930. Types of visible variations induced by X-rays in Drosophila. 



J. Gen. 22. 49 

 1932a. Some genetic aspects of sex. Am. Nat. 66. 230, 231 

 19326. Further studies on the nature and causes of gene mutations. 



Proc. 6th Int. Cong. Gen. 1. 163, 166, 186, 375 

 1933- On the incomplete dominance of the normal allelomorphs of white 



in Drosophila. J. Gen. 33. 164, 168 



1934. The effects of Roentgen rays on hereditary material. Sci. Radiol. 

 384 



1935. Out of the night. London. 358 



1935a. A viable two-gene deficiency. J. Hered. 26. 377 

 19356. Human genetics in Russia. J. Hered. 26. 340 

 1935c. On the dimensions of chromosomes and genes in the Dipteran 

 salivary glands. Am. Nat. 69. 378 



1936. On the variabihty of mixed races. Am. Nat. 70. 347 



1938. The remaking of chromosomes. Collecting Net. 13. 389, 390, 396 

 and DIPPEL, A. L. 1926. Chromosome breakage by X-rays and the 



produaion of eggs from genetically male tissue in Drosophila. J. Exp. 



Biol. 3. 209 

 and GERSHENSON, s. M. 1935- Inert regions of chromosomes as temporary 



products of individual genes. P.N.A.S. 21. 396 

 and PAINTER, T. s. 1932. The differentiation of the sex chromosomes of 



Drosophila into genetically active and inert regions. Z.I.A.V. 62. 92 



