74 U.S. NATIONAL MUSEUM BULLETIN 2 46 



Type: Name based on animals seen and described by Commerson in a 

 manuscript addressed to M. Georges Louis Leclerc, Comte de Buff on. 



Type locality: Straits of Magellan, Tierra del Fuego, Chile. 



Distribution: In the South Atlantic from the coast of Santa Cruz (or 

 from Gulf of San Matias, Rio Negro, according to Cabrera and Yepes, 

 1940, Mamiferos sudamericanos, p. 298) to Tierra del Fuego, east to the 

 Falkland Islands and west into the South Pacific along the southern coast 

 of Chile; also said to occur off Kerguelen Island in the southern Indian 

 Ocean (Scheffer and Rice, 1963, U.S. Fish and Wildlife Service, Spec. Sci. 

 Rep., 431: 5). 



Cephalorhynchus eutropia Gray 



Delphinus Eutropia Gray, 1846, Zoology of the voyage of H. M. S. Erebus 

 and Terror, 1 (Mammalia): pi. 34 (skull) [figure without text]; 1849, 

 Proc. Zool. Soc. London, 1849: 1 [characters]; 1850, Cat. Mamm. Brit. 

 Mus., Cetacea, p. Ill [S. Pacific: Chile; characters]; 1862, Proc. Zool. 

 Soc. London, 1862: 145 [type of genus Eutropia Gray]. 



Tursio Eutropia, Gray, 1866, Cat. seals and whales Brit. Mus., p. 262 

 [characters]. 



Tursio eutropia, Philippi, 1893, Anal. Mus. Nac. Chile, (1), Zool., (6): 

 14 [S. Pacific: Chile (Bahia de Corral, Valdivia)]. 



C[ephalorhynchus] eutropia, Flower, 1883, Proc. Zool. Soc. London, 1883: 

 477, 507 [taxonomy; Eutropia dickiei Gray a synonym]. — Yanez, 1948, 

 Rev. Biol. Marina, Valparaiso, 1: 115 [S. Pacific: Chile; characters; 

 local name: "delfin negro"]. 



Cephalorhynchus (?) eutropia, Flower, 1885, List Cetacea Brit. Mus., p. 17 

 [S. Pacific: Chile; type history; Eutropia dickiei a synonym]. 



Cephalorhynchus eutropia, True, 1889, Bull. U.S. Nat. Mus., 36: 11, 112, 

 178, pi. 33, fig. 2 (skull) [S. Pacific: Chile; measurements]. — Beddard, 

 1900, Book of whales, p. 179 [characters].— True, 1903, Proc. Biol. Soc. 

 Washington, 16: 135, 143 [synonyms; albiventris Perez Canto, dickii 

 [sic] Gray, platyrrhinus Philippi, panope Philippi]. — Schneider, 1846, 

 Bol. Soc. Biol. Conception (Chile), 21: 80 [S. Pacific: Chile (Concep- 

 tion)]. — Mann, 1957, Invest. Zool. Chilenas, 4: [103 S. Pacific: Chile; 

 key characters; local name: "tunina de vientre bianco"]. — Cabrera, 

 1961, Rev. Mus. Argentino Cienc. Nat. "Bernardino Rivadavia," 

 4(2) : 615 [synonyms: dickiei, albiventris, obtusata, panope, platyrhinus (sic) ]. 



Eutropia Dickiei, Gray, 1866, Proc. Zool. Soc. London, 1866: 215 [new 

 name for Delphinus eutropia Gray]. 



Eutropia dickii [sic], Perez Canto in Philippi, 1896, Anal. Mus. Nac. 

 Chile, Zool., Entr., 12a: 11 [taxonomy]. 



Phocaena (Hyperoodon?) albiventris Perez Canto, in Philippi, 1893, Anal. 

 Mus. Nac. Chile, (1), Zool., 6: 8, pi. 2, fig. 3 (animal) [S. Pacific: 

 Chile (type locality: neighborhood of port of Valparaiso); type in 

 Santiago museum]. 



