TUCANUS—TYLODON. 697 
Tucanus—Continued. 
Type: Talpa sp. (‘Tucanus R. sp. do.’ [espéce du genre précédent, Ta/pa].) Evi- 
dently intended as a generic name for the Tucan of Fernandez, one of the pocket 
gophers of Mexico. 
Tucanus: Tucan, Mexican name of a pocket gopher. 
Tucuxa (subgenus of Steno) Gray, 1866. Cete, Delphinide. 
Proc. Zool. Soc. London, 1866, 213; Syn. Whales & Dolphins Brit. Mus., 5, 1868. 
Type: Steno tucuxi Gray, from the Upper Amazon, near Santarem, Brazil ( Ann. 
& Mag. Nat. Hist., 2d ser., X VIII, 158, 1857). 
Tucuxa: Tucuxi, Brazilian name of this dolphin. 
Tulodon (see Tylodon). Creodonta, Hyzenodontide. 
Tupaia Rarries, 1822. Insectivora, Tupaiid:e. 
Trans. Linn. Soc. London, XIII, pt. 1, 256-257, 1822; ANDERSON, Yunnan Expd., 
I, 107—137, pl. vir, 1878. 
Species: Tupaia ferruginea Raffles, and T. tana Rattles, from Sumatra. 
Tupaia: Tupai,a Malay name applied to ‘‘ various small animals which have the 
external form and the agility of the squirrel." (RAFFLEs. ) 
Tursio FrEwiNG, 1822. Cete, Physeterid:e. 
Philos. of Zool., II, 211, 1822; Gray, Cat. Seals & Whales Brit. Mus., 210, 213, 
1866 (synonym of Physeter tursio). 
Species: Tursio vulgaris and T. inicrops ( — Physeter microps Linneeus), from the 
Arctic Ocean. 
Tursio: Lat., a kind of fish resembling the dolphin; a name used by Pliny. 
Tursio WacLER, 18380. . Cete, Delphinid:e. 
Nat. Syst. Amphibien, 34, 1830; Gray, Zool. Voy. H. M. 8. ‘Erebus & Terror,’ 
37, 1846; TRvE, Review Family Delphinide, Bull. 36, U. S. Nat. Mus., 77-82, 
167-168, 1889. 
Type: Delphinus peronii Lacépéde, from the Antarctic Ocean, south of Tasmania. 
(Locality fide Lacépéde, Cétacées, 316, 1804. ) 
Name preoccupied by Tursio Fleming, 1822, a genus of Physeterid:. (See 
Lissodelphis Gloger, 1841.) 
Tursio Gray, 1848. Cete, Delphinid:e. 
List Spec. Mamm. Brit. Mus., pp. xxiii, 105, 1843; Cat. Seals & Whales Brit. 
Mus., 254-267, 1866. 
Type: Tursio truncatus (Montague) (— Delphinus tursio Fabricius), from the 
Atlantic Ocean. 
Name preoccupied by Tursio Fleming, 1822, a genus of Physeterid:e; and by 
Tursio Wagler, 1830, based on Delphinus peronii, from the Antarctic Ocean. 
(See Tursiops Gervais, 1855.) 
Tursiops Gervais, 1855. Cete, Delphinidz. 
Hist. Nat. Mamm., II, 323, 1855; Frowzn, Proc. Zool. Soc. London, 1883, 478-482, 
512, fig. 5. 
Type: Delphinus tursio Fabricius, from the European coast of the Atlantie Ocean. 
Tursiops: Tursio; ow, aspect. 
Tychostylops Amrecuino, 1901. Ungulata, Amblypoda (Trigonostylopide). 
Bol. Acad. Nac. Cien. Córdoba, XVI, 396, July, 1901 (sep. p. 50). 
Type: Tychostylops marculus Ameghino, from the ‘Cretaceous’ of Patagonia. 
Extinet. 
Tychostylops: róyy, chance; 6rtAos, pillar; wis, appearance. 
Tylodon Gervais, 1848. Creodonta, Hyzenodontidee. 
Comptes Rendus, Paris, XXVI, No. 2, p. 50, Jan.—June, 1848; Zool. et Paléont. 
Francaises, II, Expl. pl. x1, fig. 7, 1848-52; 2* éd., 225, pl. x1, fig. 7, 1859. 
Tulodon Zvrrg,u, Handb. Pal:eont., IV, Lief. 3, p. 599, 1895. 
Type: Tylodon hombresii Gervais, from the Eocene near Alais, Dépt. du Gard, 
France. 
