REFERENCES 283 



Hartman, C. B. 1929. How large is the mainmalian egg? Quart. Rev. Biol., 



4, 373. 

 LoEB, L. 1932. The parthenogenetic development of eggs in the ovary of 



the guinea-pig, Anat. Rec, 51, 373. 

 Long, J. A., and Evans, H. McL. 1922. The crstrus cycle in the rat and its 



associated phenomena, Berkeley, Calif., Univ. Calif. Press, Mem. Univ. 



Calif., vol. 6. 

 Maschkowzeff, a. 1934. Der Genitalapparat der Acipenserida;, Zool. 



Jahrb. Abt. Anat. u. Ont., 58, 397. 

 Smith, B. G., and Brtjnner, E. K. 1934. The structure of human vaginal 



mucosa in relation to the menstrual cycle and pregnancy. Am. Jour. Anat., 



54, 27. 

 Swingle, W. W. 1926. The germ cells of anurans. Jour. Morph. and Physiol., 



41, 441. 

 Wolf, L. E. 1931. The history of the germ cells in the viviparous Teleost, 



Platyprocilus maculatus. Jour. Morph., 52, 115. 



See Appendix for general text references. 



