(4A INDEX GENERUM MAMMALIUM. 
Thylacinide Bonaparte, 1838. Marsupialia. 
Syn. Vert. Syst., in Nuovi Ann. Sci. Nat., Bologna, II, p. 112, 1838 (sep. p. 8); 
Revue Zool.; I, p. 217, Sept., 1838. 
*Thylacoleonidae Gir, 1872. Marsupialia. 
Arrangement Fam. Mamm., p. 26, 1872. 
Thylacoleontidz Corr, Am. Naturalist XXIII, p. 876, Oct., 1889. 
* Tillotheride Marsnu, 1875. 3 Tillodontia. 
Am. Journ. Sci. & Arts, 3d ser., IX, p. 221, Mar., 1875. 
* Tinoceridz Marsn, 1872. Ungulata, Amblypoda. 
Am. Journ. Sci. & Arts, 3d ser., IV, for Oct., p. 323, Sept. 21, 1872. 
Tinoceratide M. Ansn, ibid., 3d ser., V, p. 295, Apr., 1873. 
*Tinodontide Marsn, 1879. Marsupialia. 
Am. Journ. Sci., 3d ser., XVIII, p. 216, Sept., 1879. 
* Titanotheride Frowrn, 1876. Ungulata, Perissodactyla. 
Proc. Roy. Inst. Great Britain, VIII, pt. 1, p. 109, May, 1876. 
Titanotheriidex ArsroN, in Zool. Record for 1875, XII, Mamm., p. 15, 1877. 
iTitide BunxrErT, 1828. Primates. 
Quart. Journ. Sci., Lit. & Art, XXVI, pp. 306, 307, Oct.-Dec., 18 
Includes Ouistitis and Midas. 
O 
bo 
o 
Oo. 
iTocomyida HarckeE., 1895. Glires. 
Syst. Phylogenie Wirbelth., III, p. 502, 1895 (hypothetical; see Leporidz) . 
Tolypeutina Gray, 1865. Edentata. 
Proc. Zool. Soc. London, 1865, p. 361. 
Tolypeutide Gray, Cat. Carn., Pachyderm., & Edentate Mamm. Brit. Mus., 
pp. 361, 385, 1869. 
* Toxodontide GEnvais, 1847. Ungulata, Toxodontia. 
Ann. Sei. Nat., Paris, 3° sér., Zool., VIII, p. 221, 1847; Turner, Proc. Zool. Soc. 
London, for 1849, No. cxerx, p. 158, Jan.-June, 1850; Girr, Arrangement 
Fam. Mamm., pp. 13, 89, 1872. 
Trachyopina Gray, 1866. Chiroptera. 
Proc. Zool. Soc. London, 1866, p. 115. 
* i Trachytheridee AMEGHINO, 1894. Ungulata, Typotheria. 
Enum. Syn. Mamm. Foss. Kocénes Patagonie, p. 20, Feb., 1894. 
Tragelaphine ('DrvrH') JerDoN, 1874. ean Artiodactyla. 
Mamm. India, p. 271, 1874. 
Tragelaphide (‘GrAy’) RocngBRUNE, Faune Sénégambie, I, Mamm., pp. 120, 155, 
1883. 
Tragina Harckrr, 1895. Ungulata, Artiodactyla. 
Syst. Phylogenie Wirbelth., III, p. 552, 1895. 
Tragulide MirxE-Epbwanps, 1864. Ungulata, Artiodactyla. 
Ann. Sci. Nat., Paris, 5° sér., II, p. 157, 1864. 
*Trechomyini WiNnGr, 1887. Glires. 
E Museo Lundi, I, pp. 108, 118, 1888 (sep. issued Dec., 1887). 
Trechomyine 'TRovEssART, Cat. Mamm., new ed., p. 392, 1897. 
i Trichecidee Gray, 1821. Fere, Pinnipedia, 
London Med. Repos., XV, p. 302, Apr. 1, 1821. 
Trichechide Gray, Thomson’s Ann. Philos., XXVI, p. 340, Nov., 1825. 
Trichisina Gray, Mag. Nat. Hist., new ser., I, p. 582, 1837. 
Trichechidae Girr, 1872. Sirenia. 
Arrangement ns Mamm., pp. 14, 91, 1872. 
This is apparently the first use of the family for a group of Sirenia. The name 
was used much earlier, but erroneously, for the walruses. 
