XI 1 



LIST OF ILLUSTRATIONS 



Dark Green Snake, Zamenis gemonensis 



Rat Snake, Zamenis mucosiis . 



^sculapian Snake, Coluber longissimus 



Leopard Snake, Coluber leopardinus 



Four-lined Snake, Coluber quatuorlineatus 



Chicken Snakes, Coluber obsoletus . 



Pine Snake, Coluber melanoleucus 



Egg-eating Snake, Dasypeltis scabra 



King Snake, Coronella getula . 



Smooth Snake, Coronella austriaca . 



Hog-nosed Snake, Heterodon flatyrhinus 



Hog-nosed Snake, expanding hood . 



Cat Snake, Tarbophis fallax . 



Kirtland's Tree Snake, Thelotornis kirtlandii 



Long-snouted Tree Snake, Dryofhis mycterizans 



Banded Krait, Bungarus fasciatus . 



Hamadryad, Naia bungarus . 



Indian Cobra, Naia tripudians 



Indian Cobra, Naia tripudians, var. fasciata 



Black and White Cobra, Naia melanoleuca 



The Ringhals, Sepedon hamachates . 



Green Mamba, Dendraspis viridis . 



Night Adder, Catisus rhombeatus 



Russell's Viper, Vipera russelli 



Some tame British Adders, Vipera berus 



Nose-horned Viper, Bitis nasicornis 



Gaboon Viper, Bitis gabonica 



Puff Adder, Bitis arietans 



Carpet Viper, Echis carinata . 



Cerastes Viper, Cerastes cornuta 



Green Tree Viper, Atheris chlorechis 



Mocassin, Ancistrodon piscivorus 



Copper-head, Ancistrodon contortrix 



Bushmaster, Lachesis mutus . 



" Rattle " of Rattlesnake 



Texas Rattlesnake, Crotalus atrox . 



To face fage 

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