LIST OF ILLUSTRATIONS 



Page 

 Skeleton of Lizard (after W. K. Parker, 



Boas, and Wiedersheim) - - - 197 

 General Structure of Lizard - - - 200 

 Structure of Crocodile (after Wiedersheim 



and R. Hertwig) - - - - - 207 



Crocodilia 21 1 



Grecian Tortoise ( Testttdo Grceca) - - 213 

 Leathery Turtle (Dennatochelys coriacea) - 217 

 Tortoise ( Testudo] and Green Turtle ( Chelone) 219 

 Nilotic Soft Tortoise ( Trionyx triunguis) - 220 

 Wall Gecko (Tarentola Mauritanica) 221 

 The Scheltopusik (Ophisaums apus)- 223 

 The Nile Monitor ( Varanus Niloticiis) 224 

 Snake-eyed Lizard (Ablephants pannonicus] 225 

 Stump-tailed Lizard ( Trachysaurus rugosus) 226 

 Common Chameleon ( Chanuzleo vulgaris] - 227 

 Snake (after Minot and Wiedersheim) - 229 



Page 



Pythons and Boas 231 



British Snakes 233 



Common Rattlesnake (Crotalus durissiimts) 235 



The Tuatara (Hatteria ptmctata) - - 236 

 Salamander Skeleton (after Hatschek and 



Con) 241 



Structure of Salamander (after Hatschek 



and Cori) 241 



Front Part of Chick Embryo - - - 244 



Spotted Salamander and Crested Newt - 246 



The Olm (Proteus angninens] - - - 247 



The Axolotl 248 



Grass Frog (Rand) and Toad (Bufo) - 250 

 Skeleton of Frog (partly after Howes and 



.Ride wood ,*and Ecker) - 252 



General Structure of Frog - - - 253 



A Caecilian (Siphonops anmilata) - 255 



