52 U.S. NATIONAL MUSEUM BULLETIN 2 46 



Rio Negro, Argentina, to Rio de La Plata and in the Rio Uruguay to 

 Paysandu, Uruguay, and off Rio Grande do Sul, Brazil. 



Remarks: This subspecies may be too broadly conceived; however, 

 clearcut morphological differences and physical barriers between the 

 described forms, here treated as synonyms of aduncus, have not been 

 demonstrated. 



Tursiops truncatus truncatus Montagu 



Delphinus nesarnack Lacepede, 1804, Hist. Nat. Cetacees, pp. xliii, 307, 

 pi. 15, fig. 2 (animal) [N. Atlantic (type locality); type, mounted speci- 

 men, originally in the Veterinary School of Alford ( = Maisons Alfort), 

 near Charenton, a suburb of Paris, figured by Bonnaterre (1789, Tabl. 

 Encycl. Meth. Cetologie, pi. 11, fig. 1)]. — Sonnini (Lacepede), 1804, 

 Hist. Nat. cetacees, pp. 40, 423, fig. 1 (animal) [characters]. 



Delphinus Nesarnak [sic], Reichenbach, 1846, Volls. Naturg. Ins-und 

 Auslandes, Cetaceen, p. 116, pi. 17, fig. 54 (animal) [characters; D. 

 truncatus Montagu a synonym]. 



Tursiops nesarnack, Hershkovitz, 1961, Fieldiana, Zool., 39: 550 [type 

 history; truncatus a synonym]. 



Delphinus truncatus Montagu, 1821, Mem. Wernerian Nat. Hist. Soc, 

 3: 75, pi. 3 (skull). 



Tursio truncatus, Gray, 1843, List Mamm. Brit. Mus., p. 105 [listed]; 1866, 

 Cat. seals and whales Brit. Mus., p. 258 [characters of type skull in 

 British Museum]. 



Tursiops truncatus, True, 1903, Proc. Acad. Nat. Sci. Philadelphia, 

 55: 314 [Tursiops tursio authors (not Fabricius) a synonym; Delphinus 

 siculus Rafinesque, 1810, possibly same species]; 1914, Ann. Durban 

 Mus., 1(1): 10 [N. Atlantic: U.S.A. (Massachusetts to Florida, 

 Texas); West Indies (Barbados); Baltic to Mediterranean; characters; 

 variation in color of live and dead individuals]. — Kellogg, 1928, Quart. 

 Rev. Biol., 3: 45, 200, fig. 3 (skull) [characters; relationship; senses]. — 

 Huber, 1934, Carnegie Inst. Washington, Publ., 447: 120 [head 

 anatomy; melon; blow-hole mechanism]. — Fraser, in Norman and 

 Fraser, 1938, Giant fishes, whales and dolphins, p. 326, fig. 90 (animal) 

 [characters; habits; distribution]. — Kellogg, 1940, Nat. Geogr. Mag., 

 77(1): 82, pi. 18 (animal), figs. pp. 71, 86 (captive animal feeding 

 from hand), fig. p. 90 (animal sporting) [characters; habits; distribu- 

 tion]. — Tavogla and Essapian, 1957, Zoologica, 42: 11, pi. 1 (courtship, 

 copulation), pi. 2 (pregnancy, parturition), pi. 3 (suckling, infant care) 

 [mating; breeding; parturition; infant care]. — Tomilin, 1957, Mam- 

 mals of eastern Europe and northern Asia, 9(Cetacea) : 562 [taxonomy; 

 distribution; synonyms: aduncus, abusalam, metis, cymodoce, eurynome, 

 hamatus, perniger, catalania, erebennus, gadamu, obtusus, gilli, caerulescens, 

 parvimanus, fergusoni, dawsoni, nuuanu]. — Cadenat, 1957, Bull. Inst. 

 Francais Afrique Noire, 19(A): 1360 [N. Atlantic: Senegal]. — 



