LIST OF COLOUR PLATES 



PLATE 



i. DIAMOND RATTLESNAKE, Crotalus adamanteus. Lar- 

 gest of the North American Poisonous Serpents 

 and Second to Few of the Venomous Snakes of 

 the World in Point of Deadliness . . Frontispiece 



FACING PAGE 



xii. EASTERN PAINTED TURTLE, Chrysemys picta . 32 



WESTERN PAINTED TURTLE, Chrysemys marginata 32 



xv. YELLOW-BELLIED TERRAPIN, Chrysemys scabra . 40 



CUMBERLAND TERRAPIN, Chrysemys elegans . 40 



xxx. ALLIGATOR, Alligator mississippiensis ... 88 



AMERICAN CROCODILE, Crocodilus americanus . 88 



xxxvii. COLLARED LIZARD, Crotaphytus collaris . .114 



LEOPARD LIZARD, Crotaphytus wisli^enii . .114 



liv. GILA MONSTER, Heloderma suspedum. The only 



Poisonous Lizard Inhabiting the United States 172 



cv. MILK SNAKE, Ophibolus doliatus triangulus. (New 



York) . . 339 



SOUTHERN MILK SNAKE, Ophibolus doliatus clericus. 



(Maryland) ...... 339 



SCARLET KING SNAKE, Ophibolus doliatus coc- 



cineus. (Florida) ..... 339 



cxviii. HARLEQUIN SNAKE; CORAL SNAKE, Elaps fulvius . 402 



SONORAN CORAL SNAKE, Elaps euryxanthus . . 402 



XXI 



