282 LITERATURE CITED 



56. Gross, A. O. 1928. "The Heath Hen," Mem. Bost. 



Soc. Nat. Hist. 6:491-588. 



57. Gulick, A. 1905. "Evolution, racial and habitudinal," 



Pub. Carnegie Inst. 25:1-269. 



58. Hankins, Frank H. 1937. "German policies for in- 



creasing births," Amer. J. Soc. 42:630-52. 



59. Harlow, H. F. 1932. "Social facilitation of feeding in 



the albino rat," /. Genet. Psych. 41:211-21. 



60. Harnly, M. H. 1929. "An experimental study of en- 



vironmental factors in selection and population," 

 /. Exp. Zool. 53:141-70. 



61. Hicks, Frederick. 1920. The New World Order, New 



York: Doubleday Page. 496 pp. 



62. Hogg, Jabez. 1854. "Observations on the develop- 



ment and growth of the water snail (Lymnaeus 

 stagnalis)," Quart. J. Micros. Sci. 2, in Trans. 

 Micros. Soc. 2:91-103. 



63. Holmes, S. J. 1921. The Trend of the Race; a study 



of present tendencies in the biological develop- 

 ment of civilized mankind. New York: Harcourt 

 Brace. 396 pp. 



64. 1936. Human Genetics and Its Social Import, 



New York: McGraw-Hill. 414 pp. 



65. Howard, H. E. 1920. Territory in Bird Life, London: 



Murray. 308 pp. 



66. Hudelson, E. 1928. Class Size at the College Level, 



Minneapolis: University of Minnesota Press. 299 

 pp. 1932. "Class size at the college level," No. 

 Cent. Assoc. Quart. 6:371-81. 



67. Hunt, H. R. 1930. Some Biological Aspects of War, 



New York: Gal ton. 118 pp. 



68. Johnson, W. H. 1937. "Experimental populations of 



microscopic organisms," Amer. Nat. 71:5-20. 



69. Jones, F. M. 1931. "The gregarious sleeping habits 



of Heliconius charithonia L." Proc. Ent. Soc. 

 London 6:4-10. 



