ClJ Al. XII. 
REPTILES. 
35 
011 his snout and forehead three curious horns, of which 
*he female has not a trace. These horns consist of 
an excrescence of bone covered with a smooth sheath, 
Arming part of the general integuments of the body, 
so that they are identical in structure with those of a 
35. Chameleon bifurcus. Upper figure, male; lower figure, female,. 
foill, goat, or other sheath-horned ruminant. Although 
le three horns differ so much in appearance from 
* e two great prolongations of the skull in C. bifurcus, 
'' e can hardly doubt that they serve the same general 
1 a rpose in the economy of these two animals. The 
