PN DES OF GENERA AND SUBGENERA. 
A. 
Abathmodon Lunn, 1843. Feree, Canide. 
Oversigt K. Danske Vidensk. Selsk. Forhandl., Kjóbenhavn, for 1842, No. 6, 
p. 80, 1843. 
Type (species not given): From the bone caves of Brazil. 
Extinct. Based on teeth. 
Abathmodon: a, without; ja68u0s, step; 66@v=6do0vs, tooth. 
Abderites AMEGHINO, 1887. Marsupialia, Abderitide. 
Enum. Sist. Especies Mamít. Fos. Patagonia Austral, p. 5, Dec., 1887. 
Type: Abderites meridionalis Ameghino, from the Lower Tertiary of the Rio Santa 
Cruz, Patagonia. 
Extinct. 
Abderites: An inhabitant of Abdera, an ancient town of Thrace, Greece. 
Aboloceros GuioceEr, 1841. Ungulata, Artiodactyla, Cervid:ze? 
Hand- u. Hilfsbuch Naturgesch., I, pp. xxxiii, 138, 1841; Tuomas, Ann. & 
Mag. Nat. Hist., 6th ser., XV, 191, Feb. 1, 1895. 
Type not mentioned. The genus is provisionally proposed to include certain 
extinct, deer-like forms from southern France which are related to the giraffe. 
Extinet. 
Aboloceros: &(30À0s, a young horse that has not shed the foal teeth; «paz, horn. 
Abothrion Aymarp, 1853. Ungulata, Artiodactyla, Anthracotheriidze. 
AvMARD in Pictet’s Traité Paléont., 2e éd., I, 331, 1853. 
Type: Dothriodon crispus (— Hyopotamus crispus Gervais), from Gargas, France. 
“Le D. [B.] erispus GERvAIS (Zool. et Pal. fr. p. 95, pl. 12), de Gargas est plus 
douteux. C'est peut-étre un anoplothéroide. M. Aymard propose pour lui le 
nom générique de Abothrion.”’ 
Extinct. 
Abothrion: a, without; /06pzov, small hollow. 
Abra (subgenus of Lagomys) Gray, 1863. Glires, Ochotonide. 
Cat. Mamm., Birds, ete., presented by B. H. Hodgson to the Brit. Mus., 2d ed., 
11, 1863. 
Type: Lagomys (Abra) curzonix Hodgson, from the Himalayas of Sikkim, India. 
Name preoccupied by Abra Leach, 1818, a genus of Mollusca. 
Abra: The Tibetan name. 
Abrocoma WarERHovsE, 1837. Glires, Octodontide. 
Proc. Zool. Soc. London, No. L, Nov. 21, 1837, pp. 30-32; Voy. H. M. S. Beagle, 
pt. 1, Mamm., No. 4, pp. 83-87, pls. 28-29, Sept., 1839. 
Habrocoma WAGNER, in Wiegmann's Archiv. Naturgesch., 1842., pt. 1, 5-8. 
Species: Abrocoma bennettii Waterhouse, from the flanks of the Cordillera near 
Aconcagua; and A. cuvieri Waterhouse, from Valparaiso, Chile. 
Abrocoma: &fpos, soft; Kon, hair—from the very soft fur, resembling that of 
the chinchilla. = 
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