SYSTEMATIC ACCOUNT OF THE SPECIES. 93 



SYSTEMATIC ACCOUNT OF THE SPECIES. 



Keys. 



The following series of keys has been prepared to facilitate identifications, 

 but they cannot be expected to prove serviceable invariably. The young of 

 many species differ greatly from the adults, and, moreover, the adults often 

 vary inter se in a surprising degree. With Anolis especially the difficulty of 

 exact diagnosis is very great. The keys therefore should be used in connec- 

 tion with the detailed descriptions; or, when possible, comparatively with 

 typical or authentically named specimens. 



AMPHIBIA: SALIENTIA. 



Key to the Genera. 



a' No teeth 



b' Skin warty, rough, a large gland on each side of the neck . Bufi^, p. 95 



b^ Skin smooth, no dermal glands evident Phyllobates, p. 112 



a^ Teeth on upper jaw and roof of mouth. 



b' Skin of head involved in cranial ossification Hyla, p. 93 



b' Skin of head free from bony cranium Eleutherodactylus, p. 102 



Hylidae. 



I. Hyla septentrionalis Boulenger. 



Plate 1, fig. I. 

 Rana; Rana platanera. 



Diagnosis: — A gray, light greenish or brownish tree frog which reaches a 

 very large size. The skin of the head is completely involved in the cranial 

 ossification and the surfaces of back, sides, and belly are covered with warts 

 of varying size. Tips of fingers and toes with enormous sucking pads. 



Description: — Adult M. C. Z. 3,713. Cuba: Pinar del Rio; Guane, March, 

 1915. Thomas Barbour. 



Tongue broad, much broader than long, unemarginate ; vomerine teeth 

 in a single continuous series between the large choanae, the posterior border of 

 this series being sUghtly behind the posterior margins of the choanae; nostrils 



