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Des Cilleuls, F. 1912 A propos du ddterminisme des charact^res secondaires 



chez les Oiseaux. C. R. Soc. Biol., T. 73; pp. 371-2 (reviewed in Journ. 



Roy. Mic. Soc, Dec, 1912). 

 GooDALE, H. D. 1913 Castration in relation to the secondary sex characters 



in Brown Leghorns. Am. Nat., vol. 47, pp. 159-169. 



1916 a A feminized cockerel. Jour. Exp. Zool., vol. 20, pp. 421-428. 



1916 b Gonadectomy. Publication no. 243 of the Carnegie Inst, of 



Wash. 



1916 c Further developments in the ovariotomized fowls. Biol. Bull., 



vol. 30, pp. 286-293. 



1918 Feminized male birds. Genetics, vol. 3, pp. 276-299. (See 

 also Anat. Rec, vol. 11, pp. 512-514, 1917.) 



1919 Interstitial cells in the gonads of domestic fowl. Anat. Rec, 

 16: 247-250. 



Guthrie, C. C. 1910 Survival of engrafted tissues. Journ. of Exp. Med., 



vol. 12, pp. 269-277. 

 KosTiTCH, A. 1921 Bur la dissociation de la glande semmale et de la glande 



interstitielle determinee par I'alcoolisme experimentale. Sterility 



sans impuissance. C. R. Soc. Biol., pp. 569-571. 

 LowEY, A. 1903 Neuere Untersuchungen zur Physiologic der Geschlecht- 



sorgane. Erg. d. Physiol., Bd. 2, S. 130-158. 

 LoiSEL, G. 1902 Sur le lieu d'origine, la nature et le role de la secretion interne 



du testicule. C. R. Soc Biol., p. 1034. 

 Massaglia, a. C. 1920 The internal secretion of the testis. Endocrinology, 



vol.4, pp. 547-566. 

 Meisenheimer, J. 1911 Ueber die Wirkung von Hoden- und Ovarial-substanz 



auf die sekundaren Geschlechtsmerkmale der Frosche. Zool. Anz., Bd. 



38, S. 53-60. 

 Morgan, T, H. 1919 The genetic and operative evidence relating to secondary 



sex characters. Publication no. 285 of the Carnegie Inst, of Wash. 



1920 a The effects of castration of hen-feathered Campines. Biol. 

 Bull., vol. 39, pp. 231-247. 



1920 b The endocrine secretion of hen-feathered fowls. Endocrin- 

 ology, 4, 381-385. 

 NoNiDEZ, Jose F. 1920 Studies on the gonads of the fowl. I. Hematopoietic 



processes in the gonads of embryos and mature birds. Am. Jour. 



Anat., vol. 28, pp. 81-113. 

 Pearl, R., and Boring, A. M. 1912 Sex studies. IV. Fat deposition in 



the testis of the domestic fowl. Science, n. s. vol. 36, pp. 833-835. 



1918 Sex studies. X. The corpus luteum in the ovary of the domestic 



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 Pearl, R., and Curtis, M. R. 1909 A case of incomplete hermaphroditism. 



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T. 158, p. 513; 1915, T. 160, p. 260.) 



1918 Le conditionnement physiologique des characteres sexuels 



secondaires chez les oiseaux. Bull. Biol. France et Belg.,T.52, p.1-176. 



