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1920a. Correspondence between chromosome number and linkage groups in Drosophila 



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 19206. Observations on the sterility of mutant hybrids in Drosophila virilis. Proc. 

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 Metz, C. W., and B. S. Metz. 



1915. Mutations in two species of Drosophila. Amer. Nat., vol. 49: 187-189. 

 MoHR, O. L., and A. H. Sturtevant. 



1919. A semi-lethal in Drosophila funebris that causes an excess of males. Proc. 

 Soc. Exp. Biol, and Med., 16: 95-96. 

 MoHR, Otto L. 



1922. Cases of mimic mutations and secondary mutations in the X chromosome of 

 Drosophila melanogaster. Zeit. f. ind. Abst. u. Vererb., 28: 1-22. 

 Morgan, T. H., and C. B. Bridges. 



1916. Sex-linked inheritance in Drosophila. Carnegie Inst. Wash. Pub. 237. 

 MULLER, H. J. 



1916. The mechanism of crossing-over. Amer. Nat., 50: 193, 284, 350, 421. 

 Sturtevant, A. H. 



1915. A sex-Unked character in Drosophila repleta. Amer. Nat., 49: 189-192. 



1918. A parallel mutation in Drosophila funebris. Science, 48: 72-73. 



1919. Inherited linkage variations in the second chromosome (of Drosophila melano- 



gaster). Carnegie Inst. Wash. Pub. 278: 305-331. 



1920. Genetic studies on Drosophila simulans. I. Introduction. Hybrids with 



Drosophila melanogaster. Genetics, 5: 488-500. 

 1921a. Genetic studies on Drosophila simulans. II. Sex-linked group of genes. 



Genetics, 6: 43-64. 

 19216. Genetic studies on Drosophila simulans. III. Autosomal genes. General 



Discussion. Genetics, 6: 179-207. 

 1921e. The North American species of the genus Drosophila. Carnegie Inst. Wash. 



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235-237. 

 Warren, D. C. 



1917. Mutations in Drosophila busekii. Amer. Nat., 51: 699-703. 

 Weinstein, Alexander. 



1918. Coincidence of crossing-over in Drosophila melanogaster (ampelophila) . Genetics, 



3: 135-173. 

 1920. Homologous genes and linear linkage in Drosophila virilis. Proc. Nat. Acad. 

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