18 U.S. NATIONAL MUSEUM BULLETIN 2 46 



Stenopontistes zambezicus Miranda Ribeiro, 1936, Bol. Mus. Nac. Rio de 

 Janeiro, 12: 20, 42, pi. (animal) [Indian: Mozambique (Zambesi)]. 



Type: Name based on a drawing by Van Breda of a stranded dolphin, 

 the skull of which had first been matched with a skin of Inia geqffrensis 

 Blainville and named Delphinus frontatus Cuvier. 



Type locality: Coast of France. 



Distribution : The same as for the genus. 



Genus SOTALIA Gray 



Sotalia Gray, 1866, Cat. seals and whales Brit. Mus. (March 1866), p. 

 401; 1871, Proc. Zool. Soc. London, 1870: 772 [characters].— Flower, 

 1884, Proc. Zool. Soc. London, 1883: 486 [taxonomic revision]. — 

 True, 1889, Bull. U.S. Nat. Mus., 36: 13 [taxonomy; guianensis Van 

 Beneden, type]. — Beddard, 1900, Book of whales, p. 267 [characters; 

 species]. — Fraser, in Norman and Fraser, 1938, Giant fishes, whales 

 and dolphins, p. 333 [characters]. 



Sousa Gray, 1866, Proc. Zool. Soc. London (September), 1866: 213 

 [subgenus of Steno Gray; included species: Steno capensis Gray 

 (=Stenella dubia G. Cuvier), Steno lentiginosus Gray (type, cf. Iredale 

 [and Troughton, 1934, Mem. Australian Mus., 6:67)]. 



Tucuxa Gray, 1866, Proc. Zool. Soc. London (September), 1866: 213 

 [subgenus of Steno Gray; type species: Steno tucuxi Gray, by monotypy]. 



Type species: Delphinus guianensis P. J. Van Beneden by monotypy. 

 Distribution : Tropical seas and larger rivers of South America ; Africa 

 (Cameroon River) ; Bay of Bengal, Arabian Sea, Persian Gulf, and Red 

 Sea to Suez Canal ; Gulf of Siam and coast of Borneo, southeastern China 

 (coast, Amoy Harbor, Canton, and Fuchow Rivers). 

 Sotalia fluviatilis Gervais and Deville 

 Delphinus fluviatilis Gervais and Deville, in Gervais, 1853, Bull. Soc. 

 Agric. Herault, p. 148 [work not seen]. — Gervais, 1855a, Hist. Mamm., 

 2: 322 [Peru (Rio Maranon, above Pebas)]. — 1855b, Castelnau 

 Exped. Amerique Sud, pt. 7, Zool., Mamm., p. 92, pi. 19, fig. 2 

 (animal) [local names: "bufo negro" of upper Amazon, "boto preto" 

 of Brazil; habits]; 1856a, Compt. Rend. Acad. Sci., Paris, 42: 806 

 [Rio Amazonas]; 1856b, Ann. Mag. Nat. Hist., (2), 17: 522 [Rio 

 Amazonas]. — Van Beneden, 1875, Mem. Acad. Roy. Belgique, 41: 4 

 [local names: "bufeo negro," "bofo preto"]. 

 Steno? fluviatilis, Gray, 1866, Cat. seals and whales, Brit. Mus., pp. 237, 



395 [may be same as S. tucuxi], 

 S[teno] fluviatilis, Gray, 1870, Ann. Mag. Nat. Hist., (4), 6: 392 ["upper 



Amazonas"]. 

 Sotalia fluviatilis, Van Beneden and Gervais, 1880, Osteographie des 

 cetaces, p. 595, ftn. 2 [characters; Sotalia pallida a synonym]. — True, 



