378 



GEOGRAPHICAL ZOOLOGY. 



[PART IV. 



Family 11.— DENDEOPHID^E. (7 Genera, 35 Species.) 



The Dendrophidse, or Tree Snakes, are found in all the Tropical 

 regions, but are most abundant in the Oriental. The genera are 

 distributed as follows : — 



Dendrophis ranges from India and Ceylon to the Pelew 

 Islands and North Australia, and has one species in West Africa; 

 Ahmtulla is almost equally divided between Tropical Africa and 

 Tropical America ; Gonyosoma ranges from Persia to Java and the 

 Philippines ; Chrysopelea is found in India, Borneo, the Philip- 

 pines, Amboyna, and Mysol ; Hapsidrophis and Bucephalus are 

 confined to Tropical Africa ; and Ithycyphus (1 sp.), is peculiar 

 to Madagascar. 



Family 12.— DKYIOPHID^E. (5 Genera, 15 Species.) 



The Dryiophidae, or "Whip Snakes, are a very well characterised 

 family of slender, green-coloured, arboreal serpents, found in the 

 three tropical regions but absent from Australia, although they 

 just enter the Australian region in the island of Celebes. In 

 Africa they are confined to the West Coast and Madagascar. 

 The genera are : — 



Dryiophis (4 sp.), Tropical America and West Africa : Tropi- 

 dococcyx (1 sp.), Central India; Tragops (4 sp.), Bengal to China, 

 the Philippines, Java, and Celebes ; Passerita (2 sp.), Ceylon 



