198 NATURAL HISTORY. 



325. The Geckos, Fig. 160, are nocturnal Lizards, very 

 numerous in the southern portion of Asia. They are con 



Fig. 160. Gecko. 



cealed in crevices in the day, but come forth at night in 

 search of their insect prey. They run about on the 

 smooth walls and ceilings with perfect ease, their feet 

 being furnished with an apparatus like a boy's sucker. 



326. The Iguana family is a very extensive one. It 

 contains over one hundred and fifty species, many of 



Fig. lol Tuberculated Iguana. 



