5i8 



LACERTAE 



CHAP. 



C. versicolor ranges from Afghanistan through the whole of 

 India to Sovithern China, and attains a length of 14 inches, 11 

 of wliich are taken up by the tail. It possesses no gular sac, but 

 has a well-developed crest. The whole body and tail are covered 



Fig. 124. — Lyrioceplialus scidatus. x 



with strongly keeled scales. "When the lizard is irritated, or 

 swallowing its food, tlie head ami neck become brilliant red, whilst 

 the usually brownish tint of the body is converted into pale yellow. 

 Mr. Annandale lias favoured me with the following observations 

 on C. omma : — " In the Malay Peninsula the Europeans misname 

 this lizard Chameleon. Tlie colour-changes appear to be brought 

 about by emotions, although the lizard is often darker towards 



