248 



VERTEBRATE ZOOLOGY 



would be unprofitable to deal with more than a few of the most sig- 

 nificant types. 



FIG. 138. Group of Lacertilia, I. A, Wall Gecko, Tarentola mauritanica, 

 B, Laceita viridis; C, Draco volans (Flying Dragon); D, Iguana tuberculata, 

 E, Sceloporus spinosus; F, Helmeted Basilisk, Basiliscus americanus. (All re- 

 drawn, A, B, and F, after Lydekker); C and D, after Gadow; E, after Ditmars.) 



