Kinsey: Gall Wasp Genus Cynips 
457 
GENERAL BIBLIOGRAPHY 
Most of these titles contain no specific mention of Cynips. 
References to these titles are made in the more general, bio- 
logic discussions thruout the study, but this in no sense rep- 
resents a bibliography on the species problem. For titles per- 
taining especially to the species of the present genus, see the 
Bibliography on Cynips. 
Anderson, E. S. 
1928. The problem of species in the northern blue flags, Iris versi- 
color L. and Iris virginica L. Ann. Mo. Bot. Garden 15:241- 
332. 
Bateson, W. 
1894. Materials for the study of variation, treated with especial 
regard to discontinuity in the origin of species. London; 
Macmillan and Co., pp. xvi + 598. 
1922. Evolutionary faith and modern doubts. Science 55: 55-61. 
Berry, E. W. 
1923. Tree Ancestors. Baltimore, Williams and Wilkins Co., pp. 
vi + 270. 
Blanchard, F. N. 
1921. A revision of the king snakes: genus Lampropeltis. U.S. Nat. 
Mus. Bull. 114. 
Cockerell, T. D. A. 
1921. Fossil arthropods in the British Museum. — V. Oligocene Hy- 
menoptera from the Isle of Wight. Ann. and Mag. Nat. Hist. 
(9)7: 1-25. 
Cook, M. T. 
1902. Galls and insects producing them. Pts. I and II. Ohio Nat. 
2:263-278 (Ohio Univ. Bull. (6) 15). 
Crampton, H. E. 
1909. The Partulae of the Society Islands, and the problems of 
distribution and isolation. Science 29 : 434. 
1917. Studies on the variation, distribution, and evolution of the 
genus Partula. The species inhabiting Tahiti. Carnegie 
Inst. Washington, Publ. 228. 
1925. Contemporaneous organic differentiation in the species of 
Partula living in Moorea, Society Islands. Amer. Nat. 59: 5- 
35. 
1925. Studies on the variation, distribution, and evolution of the 
genus Partula. The species of the Mariana Islands, Guam 
and Saipan. Carnegie Inst. Washington, Publ. 228a. 
1928. The differentiation of species. Science 67:615-619 
Deam, C. C. 
1925. Flora of Indiana: On the distribution of the ferns, fern 
allies and flowering plants. Proc. Ind. Acad. Sci. 34: 39-53. 
