126 Transactions of the Royal Canadian Institute. [vol. x 



Literature : 



Cochran, M. E., 191 i. — "The Biology of the Red-backed Salamander", Biol. Bull., 



Vol. XX, No. 6, p. 332. 

 PiERSOL, W. H., 1909. — "The Habits and Larval State of Plethedon cinereus erythro- 



notus", Trans. Can. Inst., Vol. VIII, pt. 4, p. 469. 

 PiERSOL, W. H., 1910. — "Spawn and Larva of AmUystoma jeffersonianum" , Amer. 



Nat. Vol. XLIV, p. 732. 

 Reese, A. M., 1904. — "The Sexual Elements of the Giant Salamander, Cryptobranchus 



alleghenieftsis", Biol. Bull., Vol. VI, No. 5, p. 220. 

 RlTTER, W. E. AND MiLLER, L., 1899. — "A contribution to the Life History of Antodax 



lugubris", Amer. Nat. Vol. XXXIII, p. 691. 

 Smith, B. G., 1906. — "Preliminary Report on the Embryology of Cryptobranchus alle- 



gheniensis", Biol. Bull., Vol. XI, No. 3, p. 146. 

 Smith, B. G., 1907. — "The Life History and Habits of Cryptobranchus allegheniensis", 



Biol. Bull., Vol. XIII, No. i, p. 5. 

 Wilder, H. H., 1899. — " Desmognathus fusca and Spelerpes bilineatus", Amer. Nat. 



Vol. XXXIII, p. 231. 

 Wilder, I. W., 1913. — "The Life History of Desmognathus fusca", Biol. Bull., Vol. 



XXIV, No. 4, p. 251. 



