3- 



Plate IX 

 Rana egg masses 

 Rana septentrionalis, Hellgate ponds, Onekio, N. Y. July 14, 1923. x 

 Rana nrgatipes, Chesser Id., Ga. July 22, 1922. x i.o. 

 Rana sphenocephala, Billy Id., Ga. May 22, 1921. x 0.5. 



4. Rana aesopus, Hilliard, Fla. August 17, 1922. x 0.45. 



