70 U.S. NATIONAL MUSEUM BULLETIN 2 46 



Lagenorhynchus Asia Gray, 1846, Zoology of the voyage of H. M. S. Erebus 

 and Terror, 1 (Mammalia): 35, pi. 14 (skull) [locality unknown; type 

 skull in British Museum no. 358a]. 



Electra Asia, Gray, 1868, Synopsis whales and dolphins Brit. Mus., p. 7, 

 pi. 14 (skull) [classification]. 



Delphinus pectoralis Peale, 1848, U.S. Exploring Expedition, 8(Mammalogy 

 and Ornithology): 32, pi. 6, fig. 1 (animal) [N. Pacific: U.S.A. (type 

 locality: Hilo Bay, Hawaii); type a mandible, U.S. National Museum, 

 no. 4108; collected by U.S. Exploring Expedition]. 



Lagenorhynchus pectoralis, Cassin, 1858, U.S. Exploring Expedition, 

 8(Mammalogy and Ornithology): 28, pi. 5, fig. 2 (animal) [char- 

 acters]. 



Delphinus {Lagenorhynchus) fusiformis Owen, 1866, Trans. Zool. Soc. Lon- 

 don, 6: 22, pi. 5, fig. 1 (animal) [Indian: India (type locality: Ma- 

 dras) ; type skull in Brit. Mus., no. 475^-66.2.5.1 ; collected by Sir Walter 

 Elliot]. — Flower, 1885, List Cetacea Brit. Mus., p. 23 [type history]. 



Electra fusiformis, Gray, 1868, Synopsis whales and dolphins Brit. Mus., 

 p. 7 [classification]. 



Electra obtusa Gray, 1868, Synopsis whales and dolphins Brit. Mus., p. 7, 

 pi. 13 (skull) [new name for Lagenorhynchus electra Gray]; 1871, Suppl. 

 Gat. seals and whales Brit. Mus., p. 76 [classification]. 



(?) Lagenorhynchus obscurum, Blanford (not Gray), 1891, Fauna British 

 India, p. 580 [Indian: Ceylon (Palk Straits)]. 



Type: Skull only, British Museum (Natural History). 



Type locality: Unknown. 



Distribution: Tropical seas north of 10° S.; recorded from coasts of 

 India, Hawaii, Senegal, Guinea, Madras, Indonesia, but unknown in 

 South American waters. 



Lagenorhynchus [cruciger] obliquidens Gill 



Lagenorhynchus obliquidens Gill, 1865, Proc. Acad. Nat. Sci. Philadelphia, 

 17: 177. — Dall, in Scammon, 1874, Marine mammals of the north- 

 western coast of North America, pi. 19, fig. 2 (animal), p. 290 [charac- 

 ters]. — Tomilin, 1957, Mammals of eastern Europe and northern Asia, 

 9:604, fig. 112 (animal), fig. 113 (head), fig. 114 (skull) [characters; 

 biology; economics; distribution; synonyms: longidens Cope, ognevi 

 Slepzov]. — Norris and Prescott, 1961, Univ. California Publ. Zool., 

 63: 292, 294, 296, 300, 326, fig. 3 (echelon formation swimming) 

 [N. Pacific: Alaska to Baja California; seasonal movements; behavior; 

 morphology; reproduction; locomotion]. — Tomilin, 1962, Cetaceans of 

 the U.S.S.R., Fauna U.S.S.R., 79: 174, fig. 57 (animal), fig. 58 (skull) 

 [N. Pacific: U.S.S.R. (Kurile Islands; Japan Sea]. — Scheffer and Rice, 

 1963, U.S. Fish Wildlife Serv. Spec. Sci. Rep., 431: 6 [regarded 

 as possibly identical with thicolea Gray and conspecific with cruciger 

 Quoy and Gaimard]. 



