72 U.S. NATIONAL MUSEUM BULLETIN 2 46 



Genus CEPHALORHYNCHUS Gray 



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

 and Terror, 1 (Mammalia): 36 [subgenus of Delphinus Linneaus; 

 included species: D. Heavisidii Gray, with synonyms: D. capensis 

 Cuvier, D. dussumieri Fischer, D. cephalorhynchus F. Cuvier, D. hastatus 

 Cuvier, "marsouin du Cap" F. Cuvier, Phocoena tridens A. Smith, 

 P. homei A. Smith (=Lagenorhynchus cruciger Quoy and Gaimard), 

 D. obscurus Gray (=Lagenorhynchus cruciger Quoy and Gaimard), 

 D. compressicauda Lesson (= Tursiops truncatus Montagu) ; generic 

 name attributed to Cuvier, 1836 (Hist. Nat. Cetaces, p. 156), where 

 only the vernacular term "cephalorhynques" is used]; 1850, Cat. 

 Mamm. Brit. Mus., Cetacea, p. 106 [taxonomy]. — Flower, 1884, 

 Proc. Zool. Soc. London, 1883: 473, 506 [taxonomy] .—True, 1889 

 Bull. U.S. Nat. Mus., 36: 108 [taxonomy].— Harmer, 1922, Proc. 

 Zool. Soc. London, 1922: 627 [taxonomy].— Winge, 1942, Interrelat. 

 Mamm. Gen., 3: 304 [characters; classification]. — Fraser and Purves, 

 1960, Bull. Brit. Mus. (Nat. Hist.), Zool., 7: 54, 99, 105, 108, fig. 26 

 [auditory system; classification]. 

 Eutropia Gray, 1862, Proc. Zool. Soc. London, 1862: 145 [type species, 



Delphinus eutropia Gray, by monotypy] . 

 Type species: The tautonymic Delphinus cephalorhynchus Cuvier, 1836, 



in the synonomy of Delphinus Heavisidii Gray, 1828 (see above). 

 Distribution: Western Pacific: from the coasts of Sarawak and New 



Zealand (C. hectori) to Chile (C. eutropia); South Atlantic: from the coasts 



of Patagonia and the Falklands (C. commersoni) to the Cape seas off South 



Africa (C heavisidei). 



Cephalorhynchus commersoni Lacepede 



"Le jacobite" Commerson, description in unpublished manuscript 

 addressed to Buffon. 



Delphinus Commersonii Lacepede, 1804, Histoire naturelle des cetacees, 

 p. 317. — Sonnini (Lacepede), 1804, Histoire naturelle des cetacees, 

 pp. 42, 436 [Straits of Magellan; description]. — Desmarest, 1822, 

 Mammalogie, 2: 517 [characters]. — Lesson and Garnot, 1826, Voyage 

 autour du monde ... La Coquille, Zool., 1: 181 [S. Atlantic: 

 Falklands (Soledad Bay)]. — Lacepede, 1837, Histoire naturelle des 

 cetacees (Desmarest edition), pp. 11, 104 [Straits of Magellan; 

 description] . 



Phocoena Commersonii, Lesson, 1827, Manuel Mamm., p. 414 [characters; 

 classification]. 



C[ephalorhynchus] commersonii, Harmer, 1922, Proc. Zool. Soc. London, 

 1922: 627, 636, pi. 1 (animal), pi. 2, fig. 1 (animal), fig. 2 (skull), 

 pi. 3, fig. 1 (skull), fig. 2b (mandibles) [S. Pacific and S. Atlantic: 

 Tierra del Fuego; Straits of Magellan; Patagonian coast; Falkland 

 Islands; characters; taxonomy; history; comparisons; synonyms: 



