96 CLASSIFICATION OF THE ANIMAL KINGDOM. 



Sub-ord. 2. Proteroglypha. 



Fam. a. Elapidse. Elaps, Bungarus, Naja (Cobra), 



Opkiophagus (Hamadryad). 

 Fam. b. Hydrophidse (Sea-snakes). Hydropliis, Pla- 



turus. 



Sub-ord. 3. Solenoglypha. 



Fam. a. Viperidae. Vipera, Pelias, Cerastes, Clotho. 

 Fam. b. Crotalidee. Crotalus (Eattle-snake), Ancis- 



trodon (Copperhead), Bothrops (Fer-de-lance), Ha- 



lys, Trimeresurus. 



(Dumeril et Bibron, Erp&ologie generate, Paris, 1834-45 ; Giinther, 

 Catalogue of Colubrine Snakes in the Collection of the British Museum, 1858 ; 

 Fayrer, Thanatophidia of India, 1873.) 



Fig. 86. Ophidia. A, Head of an Elapine Snake (Bungarus fasciatus), viewed from above ; 

 B, Head of a Colubrine Snake (Tropidonotu* natrix) ; c, Head of a Viperine Snake (Daboia 

 liussellii). (A and c are after Sir Joseph Fayrer ; B is after Bell.) 



ORDER III. LACERTILIA (LIZARDS). 



Sub-ord. 1. Amphisbsenoidea (Annulata). 



Fam. a. Amphisbsenidse. Amphisbcena. 

 Fam. 6. Chirotidse. CMrotes. 



