THE SNAKES 



209 



Number 



of 

 species 

 Genus Liophis 21 species 



Genus Cyclagras 1 species 



Genus Xenodon 6 species 



Genus Lystrophis 3 species 



Genus Heterodon 3 species 



Genus Aporophis 4 species 



Genus Bhadinaea 36 species 



Genus Urotheca 5 species 



Genus Trimetopon 1 species 



Genus Hydromorplms 1 species 



Genus Dimades 1 species 



Genus Hydrops 3 species 



Genus Sympholis 1 species 



Genus Coronella 6 species 



Genus Ophiholus 7 species 



Genus D iadophis 3 species 



Genus Hypsiglena 6 species 



Genus Rhinochihis 3 species 



Genus Cemophora 1 species 



Genus Simotes 23 species 



Genus Oligodon 18 species 



Genus Prosymna 5 species 



Genus Leptocalamus 3 species 



Genus Arrhyton 3 species 



Genus Simophis 3 species 



Genus Scaphiophis 1 species 



Genus Cyclophis 4 species 



Genus Liopeltis 3 species 



Genus Contia 15 species 



Genus Ficimia 3 species 



Genus ChUomeniscris 3 species 



Genus Homalosoma 4 species 



Genus A blabes 13 species 



Genus Qrayia 3 species 



Distribution 



Central and South America; 



West Indies. 

 South America. 

 South America and Central 



America. 

 Southern South America. 

 United States. 

 South America. 



S. E. U. S.; Central and So, 

 America. 



Cuba, Centra! and South 

 America. 



Central America. 



Central America. 



South America. 



South America. 



Mexico. 



Europe; S. W. Asia; India 

 and Africa. 



U. S.; Mexico and Central 

 America. 



United States and Mexico. 



United States to South Amer- 

 ica. 



United States, Mexico and 

 Venezuela. 



Southeastern United States. 



S. E. Asia; Malay Archipel- 

 ago. 



So. Asia and Northern Africa. 



Tropical and South Africa. 



Tropical America. 



Cuba. 



Brazil. 



Tropical Africa. 



United States; S. W. Asia. 



United States; S. W. Asia. 



United States; S. W. Asia. 



United States ; Mexico. 



S. W. United States; North- 

 ern Mexico. 



Africa. 



S. E. Asia and Japan. 



Tropical Africa. 



