378 



GEOGRAPHICAL ZOOLOGY. 



[part n 



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



General DisffRiBUTioN. 



The Dendropliida?, or Tree Snakes, are found in all the Tropical 

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

 distributed as follows : — 



Dcndro2)]i'is ranges from India and Ceylon to the Pelew 

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

 Aliaiulla is almost equally divided between Tropical Africa and 

 Tropical America ; Gonyosoma ranges from Persia to Java and the 

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

 pines, Amboyna, and Mysol ; IIapsidroj)his and Bucephalus are 

 confined to Tropical Africa ; and It]i.ycyphus\(l sp.), is peculiar 

 to Madaiiascar. 



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



The Dryiophida?, 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; Trayops (4 sp.), P)engal to China, 

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



