Genus Lagenorhynchus 



Characterized by great number of vertebrae (80 to 90), great length 

 o£ transverse and vertical bony processes from vertebrae, moderately 

 pointed high back fin having concave posterior border; the beak is 

 short. 



L. acutiis: The White-Sided Dolphin. North Atlantic; about 9 

 feet. 



L. aitstralis: Peale's Porpoise. Cape Horn, Chile, Patagonia, Falk- 

 land Islands; over 7 feet. 



L. albirostris: The White-Beaked Dolphin, North Atlantic; 9 to 10 

 feet. 



L. cruciger: South Pacific; 5 to 6 feet. 



L. fitzroyi: Fitzroy's Dolphin. Southern end of South America; 5 

 feet 4 inches. 



L. obscitrus: Dusky Dolphin. South Africa, New Zealand, Falk- 

 land Islands; 7 feet. 



Genus Sotalia 



Concentrated in the tropical seas or rivers of South America, Africa, 

 India, and the Far East. 



S. pallida: Buffeo bianco. Upper Amazon; 5 feet 6 inches. 



S. fluviatalis: Buffeo negro. Upper Amazon; 3 feet 7 inches. 



S. tucuxi: Upper Amazon. 



S. guianensis: N. E. coast of South America. 



S. teuszii: Noteworthy as being the one Cetacean believed to feed 

 exclusively on vegetable matter. Kamerun River. 



S. gadamn: Vizagapatam; averages 7 feet; snout 6 inches. 



S. lentiginosa: Vizagapatam. 



S. plmnbea: Malabar coast of India; about 8 feet; very long snout. 



S. borneensis: Gulf of Siam to Sarawak in Borneo. 



S. sinensis: Chinese White Dolphin. 



The Fresh Water Dolphins. 



Genus Platanista 

 P. gangetica: The Susu or Gangetic Dolphin; about 8 feet; snout 

 and beak drawn into long forceps-like beak, 7 or 8 inches long; con- 

 fined to River Ganges and River Indus. It is almost blind. 



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