678 INDEX GENERUM MAMMALIUM. 
Thylacopardus—Continued. 
Extinct. 
Thylacopardus: 60Aakos, pouch; 7apdos, leopard—i. e., a marsupial leopard. 
Thylacotherium VALENCIENNES, 1838. Marsupialia, Amphitheriidee. 
Comptes Rendus, Paris, VII, No. 11, p. 580, July—Dec., 1838; ‘‘L’ Institut, 
1838;" Owen, Athenzeum, London, No. 579, pp. 859-860, Dec. 1, 1838 (type 
fixed); Echo du Monde Savant, Paris, IV, No. —, pp. 367-368, Dec., 1838. 
Species: Didelphis prevostii Cuvier (type), and D. bucklandi Broderip. 
New name for the genus called Amphigonus by Agassiz and Amphitherium or 
Heterotherium by Blainville. ‘‘M. Agassiz... a proposé pour nom géné- 
rique celui d' Amphigonus. M. Blainville . . . a proposé celui d' Amphitherium 
ou d’ Heterotherium . . . les noms proposés par ces savants expriment des 
doutes qui ne sont plus fondés dans mon opinion, je crois qu'il serait plus con- 
venable de donner à présent un nom plus significatif . . . Le nom de 
Thylacotherium me semblerait préférable." (VALENCIENNES. ) 
Extinct. 
Thylacotherium: 00X.aKos, pouch; 07píov, wild beast—i. e., an extinct marsupial. 
Thylacotherium Lux», 1839. Marsupialia, Didelphyid:e. 
Ann. Sci. Nat., Paris, 2° sér., XI, Zool., 233, Apr., 1839; Écho du Monde Savant, 
Paris, 6* ann., No. 450, p. . 245, Apr. 17, 1839. 
Type: Thylacotherium ferox Lund, from the basin of the Rio das Velhas, Minas 
Geraés, Brazil. 
Extinct. 
Name preoccupied by Thylacotherium Valenciennes, 1838, a genus of Amphith- 
eriide. Replaced by Gambatherium Liais, 1872 
Thylacynus TEwwiNCK, 1827. Marsupialia, Dasyuridee. 
Mon. Mammalogie, I, 3° Mon., pp. xxiii, 23-24 footnote, 267, pl. 7 figs. 1-4, 1827. 
Thylacinus TEwMINCK, ibid., 60-65. 
Type: Didelphis cynocephala Harris, from the mountainous parts of Tasmania. 
Thylacynus: 6VAakos, pouch; xoc», dog—i. e., a marsupial dog. 
Thylamys Gray, 1843. Marsupialia, Didelphyid:e. 
List Spee. Mamm. Brit. Mus., pp. xxiii, 101, 1845; THomas, Cat. Marsup. & 
Monotrem. Brit. Mus., 340, 1888 (in synonymy ). 
Type: Didelphis elegans Waterhouse, from Valparaiso, Chile. 
Thylamys: Contraction of ü6Aaxosc, pouch; 0s, mouse—i. e., a marsupial mouse. 
Thylax Oxen, 1816. Marsupialia, Peramelid:e. 
Lehrbuch Naturgesch., 3ter Theil, Zool., 2te Abth., pp. xi, 1128-1130, 1816. 
Species: Didelphis m Shaw, and Perameles nasuta Geoffroy, from Australia. 
Emendation of Thy/acis Iliger, 1811. ‘‘ Thylax, Perameles, Beuteldachs; Schein 
ziemlich wie Didelphen." (OKEN. ) 
Thylax: 60Aaé, pouch. 
Thylogale (subgenus of Halmaturus) Gray, 18387. Marsupialia, Macropodide. 
Charlesworth’s Mag. Nat. Hist., I, 583, Nov., 1837; List Spec. Mamm. Brit. Mus., 
pp. xxii, 90, 1843; THomas, Cat. Marsup. & Monotrem. Brit. Mus., pp. 10, 52, 
1888 (in synonymy ). 
Type: Halmaturus eugenii Schinz, from Swan River, Western Australia (Gray). 
According to Thomas, Gray's Halmaturus eugenii equals H. thetidis Cuvier, from 
Eastern Australia. 
Thylogale: Contraction of 6VAaKos, pouch; pyaA*, weasel—i. e., a marsupial 
weasel. 
Thyreorhina (subgenus of Phyllorhina) Perers, 1871. Chiroptera, Rhinolophide. 
Monatsber. K. Preuss. Akad. Wiss., Berlin, June, 1871, 327-328. 
Type: Phyllorhina coronata Peters, from Mainit, northeastern Mindanao, Philippine 
Islands. 
Thyreorhina: Ovpeds, a large, oblong shield; fis, 616s, nose—in allusion to the 
character, ‘‘ oberes Nasenblatt mit verdicktem Rande." 
