1. Borissenko, E. (1930). “A study of a new mutation,Radius incompletus, inDrosophila melanogaster.”J. exp. Biol. (Moscow),6, 2, 115–38.
2. Bridges, C. B. andMorgan, T. H. (1919). “The second chromosome group of mutant characters.”Publ. Carneg. Instn. No. 278.
3. -- -- (1923). “The third chromosome group of mutant characters ofDrosophila melanogaster.”Ibid. No. 327.
4. Crew, F. A. E. andLamy, R. (1934). “The second linkage group inDrosophila pseudo-obscura.”J. Genet. 29, 269–76.
5. Koller, P. Ch. (1932). “Pointed and the constitution of theX-chromosome inDrosophila obscura.” Ibid.26, 215–29.