206 



REPTILES OF THE WORLD 



Number 



of 

 species 



Genus Ungaliophis 1 species 



Genus Eunectes 2 species 



Genus Boa 7 species 



Genus Casarea 1 species 



Genus Bolieria 1 species 



Genus Eryx 7 species 



Genus Lichanura 2 species 



Genus Charina 2 species 



Family Ilysiidce (Small, harmless, 

 constricting snakes that are 

 closely allied to the Boidce). 



Genus Ilysia 1 species 



Genus Anomalochilus 1 species 



Genus Cylindrophis 3 species 



Family Uropeltidce (Small, harm- 

 less burrowing snakes). 



Genus Uropeltis 1 species 



Genus Rhinophis 7 species 



Genus Silybura 22 species 



Genus Pseudoplectrurus 1 species 



Genus Plectrurus 4 species 



Genus Melanophidium 3 species 



Genus Platyplectrurus 3 species 



Family Xenopeltida? (A harmless, 

 burrowing species). 



Genus Xenopeltis 1 species. 



Family Colubridce (The largest 

 family of the Ophidia. It 

 contains both harmless and 

 poisonous species. All of 

 the familiar snakes of the 

 temperate regions belong to 

 this family). 

 SERIES A. Aglypha (All the 

 teeth solid; not grooved or 

 caniculated). 

 Subfamily Aerochordinw. 

 Genus Acrochordus 1 species 



Genus Chersydrus 1 species 



Genus Xenodermus 1 species 



Genus Stoliczkaia 1 species 



Distribution 



Guatemala. 



Tropical South America. 

 Tropical America; Madagas- 

 car. 

 Round Island, near Mauritius. 

 Round Island, near Mauritius. 

 No. Africa; Southern Asia. 

 Southwestern North America* 

 Western North America. 



Tropical South America. 



Sumatra. 



S. E. Asia; Ceylon. 



Ceylon. 



Southern India; Ceylon. 



Southern India. 



Southern India. 



Southern India. 



Southern India. 



Southern India. 



S. E. Asia. 



Malay Pn. and Arch.; New 



Guinea. 

 Bays and coasts of S. E. Asia 



and Papuasia. 

 Java and Sumatra. 

 N. E. India. 



