Sammelreferat. 153 
11. Dexter, J.S., 1912, On coupling of certain sex-linked characters in Drosophila. 
Biol. Bull., Vol. 23. 
12. — 1914, The analysis-of a case of continuous variation in Drosophila by a study 
of its linkage relations. Am. Naturalist, Vol. 48. 
13. Duncan, F.N., 1915, A note on the gonads of gynandromorphs of Drosophila 
ampelophila. Am. Naturalist, Vol. 49. 
14. — 1915, An attempt to produce mutations through hybridization. Am. Naturalist, 
Vol. 49. 
15. Hoar, M. A., 1915, The influence of temperature on the development of a Mendelian 
character. Journ. exper. Zool., Vol. 18. 
16. — 1915, Another gene in the fourth chromosome of Drosophila. Am. Naturalist, 
Vol. 49. 
*17. HoLMEs, C. D., 1910, The effect of starvation for five successive generations on 
the sex-ratio in Drosophila ampelophila. Indiana Univers. Stud., No. 2. 
*18. Hype, R.R., 1914, Inheritance of the length of life in Drosophila ampelophila. 
Proc. Indiana Acad. Sciences 1913. 
19. — 1914, Fertility and sterility in Drosophila ampelophila. I. Sterility in Droso- 
phila with especial reference to a defect in the female and its behavior in 
heredity. — II. Fertility in Drosophila and its behavior in heredity. — 
III. Effects of crossing on fertility in Drosophila. — IV. Effects on ferti- 
lity of crossing within and without an inconstant stock of Drosophila, Journ. 
exper. Zool., Vol. 17. 
20. — 1915, The origin of a new eye-color in Drosophila repleta and its behavior in 
heredity. Am. Naturalist, Vol. 49. 
21. — 1915, A wing mutation in a new species of Drosophila. Am. Naturalist, Vol. 49. 
22. Lirr, J., 1915, Data on a peculiar Mendelian ratio in Drosophila ampelophila. Am. 
Naturalist, Vol. 49. 
23. LOEB, J. a. BANCROFT, F. W., 1911, Some experiments on the production of 
mutants in Drosophila. Science, N. 8. Vol. 33. 
24. Lutz, F. E., 1911, Experiments with Drosophila ampelophila concerning evolution. 
Carnegie Inst. Washington, Public. No. 143. 
25. — 1913, Experiments concerning the sexual difference in the wing length of 
Drosophila ampelophila. Journ. exper. Zool., Vol. 14. 
26. MacDowELL, E. C., 1915, Bristle inheritance in Drosophila. I. Extra bristles. 
Journ. exper. Zool., Vol. 19. - 
27. Metz, C. W., 1914, An apterous Drosophila and its genetic behavior. Am. 
| Naturalist, Vol. 48. 
28. — 1914, Chromosome studies in the Diptera. I. A preliminary survey of five 
different types of chromosome groups in the genus Drosophila. Journ. exper. 
Zool., Vol. 17. 
29. — 1916, Chromosome studies on the Diptera. II. The paired association of 
chromosomes in the Diptera, and its significance. Journ. exper. Zool., Vol. 21. 
30. — 1916, Chromosome studies on the Diptera. III. Additional types of chromo- 
some groups in the Drosophilidae. Am. Naturalist, Vol. 50. 
81. — 1916, Linked Mendelian characters in a new species of Drosophila. Science, 
N. S. Vol. 44. 
