THE SNAKES 



213 



Number 



of Distribution 



species 

 SERIES C. Proteroghj-pha (A 

 pair of short, rigid, venom- 

 conducting fangs in the 

 front of the upper jaw). 

 Subfamily HydropJiVniw. The Sea 

 Snakes (Strictly marine 

 species). 



Genus Hydrus 1 species Indian and Pacific Ocean.i 



Genus Thalassophis 1 species Coast of Java. 



Genus Acalyptophis 1 species Western tropical Pacific 



Ocean. 



Genus Hydrelaps 1 species Northern coast of Australia. 



Genus Hydrophis 23 species Persian Gulf to Northern 



Australia. 



Genus Distira 18 species Persian Gulf to Japan and 



New Caledonia. 



Genus Enhydris 3 species Coasts of India to New 



Guinea. 



Genus Enhydrina 1 species Persian Gulf to New Guinea. 



Genus Aipysurus 4 species Waters of the Malay Archi- 

 pelago and the western 

 tropical Pacific. 

 Genus Platurus 4 species East Indian Ocean and west- 

 ern tropical Pacific. 

 Subfamily Elapinw (Terrestrial 

 species — the Cobras and 

 their allies; the American 

 Coral Snakes. Some of the 

 most deadljr of the poisonous 

 snalces belong to this sub- 

 family). 



Genus Ogmodon 1 species Fiji Islands. 



Genus Glyphodon 1 species New Guinea; North Australia, 



Genus Pseiidelaps 8 species Papuasia; Moluccas; Austra. 



lia. 



Genus Diemetna 7 species Australia; New Guinea. 



Genus Pseudechis 8 species Australia; New Guinea. 



Genus Denisonia 31 species Australia; Tasmania; Solo- 

 mon Is. 



Genus Micropechis 3 species New Guinea; Solomon Islands, 



Genus Hoplocephalus 3 species Australia. 



Genus Tropidechis 1 species Australia. 



Genus Notechis 1 species Australia. 



1 Apparently the only species found in the New World — off the west coast 

 of Southern Mexico, Central and South America. 



