GECKOS. 



91 



where it is very common. From its singular 

 voice, uttered on the approach of night, and con- 

 tinued at intervals through the darkness, it is 

 there called the Croaking Lizard. The sound 

 which it emits might rather be called cackling 

 than croaking, having some resemblance to the 



\ \\ 



mm 





SMOOTH SHEATH-CLAW. 



noise produced by drawing a stick across the 

 teeth of a comb. It frequents hollow trees, 

 and the roofs and rafters of deserted houses, a 

 pair generally living together ; one or both 



