LIST OF ILLUSTRATIONS 



Common Viper, Vipera berus 



Tuatera Lizard, Sphenodon punctatvs 



Skulls of Sphenodon and Lizard (Uromastix) 



Snapping Turtle, Chelydra serpentina 



Three-keeled Terrapin, Staurotypus triporcatus 



Maw's Terrapin, Dermatemys mawi 



Mud Terrapin, Cinosternum crueniatum . 



Plastron of Citiosiernum crueniatum, showing hinges 



Painted Terrapin, Chrysemys picta 



Adorned Terrapin, Chrysemys ornata 



European Pond Terrapin, Emys orbicularis 



Box Tortoise, Cistudo Carolina 



Plastron of Cistudo Carolina, showing hinges 



The Eroded Cinixys, Cinixys erosa 



Algerian Tortoise, Testudo ibera 



The Star Tortoise, Testudo elegans 



The South American Tortoise, Testudo tabulata 



Phayre's Tortoise, Testudo emys 



The Elephant Tortoise, Testudo elephantina 



The South Albemarle Tortoise, Testudo vicina 



The Hawksbill Turtle, Chelone imbricata 



The Green Turtle, Chelone mydas . 



The African Terrapin, Pelomedusa galeata 



The Matamata Terrapin, Chelys fimbriata 



The Long-necked Terrapin, Chelodina longicollis 



The Nile Trionyx, Trionyx niloticus 



The Ganges Trionyx, Trionyx gangeticus 



American Alligators, Alligator mississippiensis 



Egg of Alligator ..... 



Front 



To face Pa^e 



ispiece 



6 

 6 

 7 

 7 

 7 



lO 



lO 



II 

 II 

 II 



20 

 20 

 21 

 28 

 28 

 28 

 28 



29 

 29 



36 

 36 



37 

 37 

 37 

 44 

 44 

 45 

 48 



