52 LITERATURE CITED. 



LITERATURE CITED. 



ANCEL and BOUIN. 1913. Sur la signification de la glande interstitiale du testicelle embry- 



onaire. C. R. Soc. Biol. I, V. Also other papers by same authors. 

 ALLEN, B. M. 1905. The embryonic developnemt of the rete-cords and sex-cords of 



Chrysemys. Amer. Jour, of Anat., vol. 5, pp. 79-94. 

 BORING, A., and R. PEARL. 1914. The odd chromosome in the spermatogenesia of the 



domestic chicken. Journ. Exp. Zool., vol. 16. 

 BRANDT, A. 1889. Anatomisches und Allgemeines iiber die eogenannte Hahnfedrigkeit 



und iiber anderweitige Geschlechtsanomalien bei Vogeln. Zeit. f . wiss. Zool., Bd. 48. 

 BRESCA, G. 1910. Experimentelle Untersuchungen iiber die sekundaren sexualcharactere 



der Tritonen, Arch. Exp. Org., Bd. xxix. 

 DARWIN, CHARLES. 1871. The descent of man. 

 FITZSIMONS, F. W. 1912. A hen ostrich with the plumage of a cock. Agri. Journ. 



Univ. South Africa, vol. 4. 

 FOGES, A. 1898. Zur Hodentransplantion bei Hahnen. Zentralb. f . Phys. 



1902. Zur von den secundaren Geschlechtscharacteren. Arch, f . ges. Phys., Bd. 93. 



GOODALE, H. D. 1913. Castration in relation to the secondary sexual characters of 



Brown Leghorns. Amer. Nat., XLVII, pp. 159-169. 



1916. Further developments in ovariotomized fowl. Biol. Bull., vol. xxx. 



GUYER, M. F. 1909. Spermatogenesis of the domestic chicken. Anat. Anz., Bd. 34. 

 GUTHRIE, C. C. 1910. Survival of engrafted tissues. Journ. Exp. Med., vol. xn. 

 HALBAN, J. 1903. Die Entstehung der Geschlechtscharactere. Arch. f. Gynk., Bd. LXX. 

 LILLIE, F. R. 1908. The development of the chick. 



MARSHALL, F. H. A. 1910. Physiology of reproduction. 



MORGAN, T. H. 1915. Demonstration of the appearance after castration of cock feather- 

 ing in a hen-feathered cockerel. Proc. Soc. Exp. Biol. and Med., xm, No. 2. 



NUSSBAUM, M. 1905. Innere secretion und nerveneinfluss. Ergeb. Anat. u. Entw., Bd. xv. 



SMITH, G. 1911. Studies in the experimental analysis of sex. Quart. Jour. Micr. Sci., LVII. 



STEINACH, E. 1912. Willkiirliche Umwandlung von Saugetier-Mannchen in Tiere mit 

 ausgepragt weiblichen Geschlechtscharacteren und weiblicher Psyche. Arch, f . d. 

 ges. Physiol. CXLIV. 



WALLACE, A. R. 1889. Darwinism. 



