Part 5

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. obscurus: Dusky Dolphin. South Africa, New Zealand, Falkland Islands; 7 feet.

Genus Sotalia

Concentrated in the tropical seas or rivers of South America, Africa, India, and the Far East.

S. pallida: Buffeo blanco. 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. gadamu: Vizagapatam; averages 7 feet; snout 6 inches.

S. lentigiosa: Vizagapatam.

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

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

S. sinesis: 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; confined to River Ganges and River Indus. It is almost blind.

Genus Inia

I. geoffrensis: Amazonian Dolphin or Boutu. Upper Amazon; 7 feet; long beak.

Genus Pontoporia

P. blainvillei: La Plata Dolphin. Estuary of Rio de la Plata; about 5 feet.

Genus Lipotes

L. vexillifer: Chinese River Dolphin. Ting Ling Lake, 600 miles up the Yang-tse River; 7 feet 6 inches; slightly upcurved jaws.

The Porpoise

The small beakless Delphinidae, which have a triangular dorsal fin and spade-shaped teeth, black above and white below; travels in large schools. The word “porpoise” is derived from the French porc-poisson, “pig-fish.” Never larger than 6 feet.

Genus Phocaena