68 HELEN DEAN KING 



DARWIN, C. 1875 The variation of animals and plants under domestication. 



London. 

 DAVENPORT, C. B. 1926 Human metamorphosis. Am. J. Phys. Anthrop., vol. 9, 



pp. 205-232. 

 DAVENPORT, C. B., AND G. ALLEN 1925 Family studies on Mongoloid drawfs. 



J. Psycho-asthenics, vol. 29. 



DIGHTON, A. 1922 The sex ratio. Sporting Chronicle. 

 DONALDSON, H. H. 1906 A comparison of the white rat with man in respect to 



the growth of the entire body. Boas Anniversary Vol., pp. 1-26. 



1924 The rat. Data and reference tables. Second ed., Philadelphia. 

 DUNN, E. H. 1908 A study in the gain in weight for the light and heavy indi- 

 viduals of a single group of albino rats. Anat. Kec., vol. 2, pp. 109-110. 



DUNN, L. C. 1937 Caracul, a dominant mutation. J. Hered., vol. 28, p. 334. 

 DUNN, L. C., AND L. W. THIGPEN 1930 The silver mouse. J. Hered., vol. 21, 



pp. 495-498. 

 DiisiNG, C. 1884 Die Eegulierung des Geschlechtsverhaltnisses bei der Vermeh- 



rung der Menschen, Tiere und Pflanzen. Jen. Zeitschr. Naturwiss., 



Bd. 17, S. 1-364. 

 EATON, P., AND C. S. STIRRETT 1928 Reproduction in wild rats. Science, vol. 



67, pp. 555-556. 

 EVANS, H. M. 1924 The function of the anterior hypophysis. Harvey Lectures, 



pp. 212-235. 

 FELDMAN, H. W. 1935 A recessive curly-hair character of the Norway rat. 



J. Hered., vol. 26, pp. 252-254. 

 GATES, W. H. 1925 Litter size, birth weight, and early growth rate of mice 



(Mus musculus). Anat. Eec., vol. 29, pp. 183-193. 

 GREEN, C. V. 1931 Size inheritance and growth in a mouse species cross (Mus 



musculus X Mus bactrianus) III, IV. J. Exp. Zool., vol. 59, pp. 213- 



263. 



1933 Further evidence of linkage in size inheritance. Am. Nat., 

 vol. 67, pp. 377-380. 



GREGORY, P. W., AND C. T. BLUNN 1936 Curly 2, a recent dominant mutation 



in the Norway rat. J. Hered., vol. 27, pp. 39-40. 

 HAGEDOORN, A. L., AND A. C. HAGEDOORN 1922 Species crosses in rats. Zeitschr. 



induk. Abst.- u. Vererbungslehre, Bd. 29, S. 97-121. 



1928 Some genetic factors which influence litter size and sterility 



in domestic mice (Mus musculus and Mus wagneri). Zeitschr. induk. 



Abst.- u. Vererbungslehre, Bd. 42, S. 785-787. 

 HAINES, G. 1931 A statistical study of the relation between various expressions 



of fertility and vigor in the guinea pig. J. Agric. Research, vol. 42, 



pp. 123-164. 

 HALDANE, J. B. S., AND F. A. E. CREW 1925 Changes of linkage in poultry 



with age. Nature, vol. 115, p. 641. 

 HAMMOND, J. 1914 On some factors controlling fertility in domestic animals. 



J. Agric. Science, vol. 6, pp. 263-277. 



1933 Factors producing sterility, with special reference to genetic 



causes. Proc. Roy. Soc. Med., vol. 26, pp. 1183-1186. 

 HAYS, F. A. 1936 Inheritance of sexual maturity in Rhode Island reds. Sixth 



World's Poultry Congress, vol. 2, pp. 34-38. 



