88 BIOLOGY OF THE LABORATORY MOUSE 



iig. Shelesnyak, M. C. 1931. The induction of pseudopregnancy in the rat by- 

 means of electrical stimulation. Anat. Rec. 49: 179-184. 



120. Slonaker,-J. R. 1924. The effect of pubescence, oestruation and menopause 

 on the voluntary activity in the albino rat. Am. J. Physiol. 68: 294-315. 



121. Slonaker, J. R. 1925. Analysis of daily activity of the albino rat. Am. J. 

 Physiol. 73: 485-503. 



122. Slonaker, J. R. 1929. Pseudopregnancy in the albino rat. Am. J. Physiol. 

 89: 406-416. 



123. Slonaker, J. R. 1934. Superfetation in the albino rat. Am. J. Physiol. 108: 

 322-323. 



124. Sneider, M. E. 1940. Rhythms of ovogenesis before sexual maturity in the 

 rat and cat. Am. J. Anat. 67: 471-491. 



y 125. Snell, G. D., and F. B. Ames. 1939. Hereditary changes in the descendants 

 of female mice exposed to Roentgen rays. Am. J. Roent. and Rad. Therapy 61: 

 248-255. 



126. Snell, G. D., E. Fekete, K. P. Hummel and L. W. Law. 1940. The relation 

 of mating, ovulation and the estrous smear in the house mouse to time of day. 

 Anat. Rec. 76: 39-54. 



127. SoBOTTA, J. 1895. Die Befruchtung ^d Furchung des Eies der Maus. Arch, 

 mikr. Anat. 45: 15-93. 



128. SoBOTTA, J. 1896. Uber die Bildung des Corpus luteum bei der Maus. Arch, 

 mikr. Anat. 47: 261-308. 



129. Stevens, W. L. 1937. Significance of grouping and a test for uniovular twins 

 in mice. An. Eugenics 8: 57-73. 



130. SwEZY, O. 1929. The ovarian chromosome cj'cle in a mixed rat strain. J. 



\Morph. and Physiol. 48: 445-473. 

 131. Togari, C. 1927. On the ovulation of the mouse. Nagoya J. Med. Sc. 

 "^ Japan 2: 17-50. 



132. Voss, H. E. 1930. Der Postpartum-Ostrus der Nagetiere. Biol. Generahs 6: 



433-456. 



133. Wade, N. J., and E. A. Doisy. 1935. Cornification of vaginal epithehum of 

 ovariectomized rats produced by smearing. Proc. Soc. Exp. Biol, and Med. 32: 

 707-709. 



134. Walker, G. 1910. A special function discovered in a glandular structure 

 hitherto supposed to form a part of the prostate gland in rats and guinea-pigs. 

 Bull. Johns Hopkins Hosp. Baltimore 21: 182-185. 



135. Wang, G. H. 1923. The relation between spontaneous activity and the 

 oestrous cycle in the rat. Comp. Psychol. Mon. 2, serial No. 6:1. 



136. Weichert, C. K. 1940. The experimental shortening of delayed pregnancy 

 in the albino rat. Anat. Rec. 77: 31-43. 



137. Young, W. C. 1940. Observations and experiments on mating behavior in 

 female mammals. Quart. Rev. Biol, (in press). 



