340 INDEX GENERUM MAMMALIUM. 
Hyperfelis—Continued. 
Type: Hyperfelis verneuili Indes, from a Pliocene or post-Pliocene bone cave at 
Monte delle Gioie, near the confluence of the Tiber and Teverone, not far from 
Rome, Italy. 
Extinct. Based on teeth. 
Hyperfelis: 6x£p, over, above; + Felis. 
Hyperhoodon (see Hyperoodon). Cete, Physeterid:e. 
Hyperleptus AmecHino, 1891. Edentata, Megalonychide. 
Revista Argentina Hist. Nat., I, entr. 3a, 155-157, figs. 60-61, June 1, 1891. 
Species: Hyperleptus garzonianus Ameghino, and H. sectus Ameghino, from the 
Lower Eocene of southern Patagonia. 
Extinct. 
Hyperleptus: éxép, above; Aeros, thin, delicate. 
Hyperoambon PrrEns, 1864. Edentata, Dasypodide. 
Monatsb. K. Preuss. Akad. Wiss. Berlin, 1864, 179-180. 
Species: Dasypus pentadactylus Peters, from British Guiana; and D. peba Desmarest, 
from Brazil and Paraguay. 
“Tt may therefore be convenient to unite under a special name these two species 
[D. pentadactylus and D. peba] which are easily distinguished from JP. longi- 
caudatus by the form of the palate." 
Hyperoambon: brepea, palate; &j(86v, a rising, elevation—in allusion to ‘‘die 
absteigenden Rinder der Gaumenbeine." 
Hyperoodon LacÉrEpE, 1804. Cete, Physeteridze. 
, Hist. Nat. Cétacées, Tabl. Ordres, Genres et Espéces, pp. xliv, 319-324, 1804. 
Uperoodon Gray, List Spec. Mamm. Brit. Mus., p. xxiii, 1843. 
Huyperhoodon GERN A18, Ann. Sci. Nat. Paris, 3° sér., Zool., XIV, 6-13, July, 1850. 
Hyperodon Gray, Proc. Zool. Soc. London, 1863, 200. 
Hyperaodon Corr, Proc. Acad. Nat. Sci. Phila., 1869, 31. 
Huyperoodus Scuvuze, Mamm. Europea, in Abhandl. und Vortrüge gesammt. 
Gebiete Naturwiss., IV, 6, 1897. 
Type: [Hyperoodon butskopf Lacépéde, from the north Atlantic and Arctic Oceans. 
“Le genre /yperoodon a été établi par Lacépéde, d'aprés deux individus 
échoués prés de Honfleur [near Havre, France], en 1788." (DuvERNoy, Ann. 
Sci. Nat., 3* ser., XV, 45, 1851). 
Hyperoodon: brepwa, palate; 66@v=d6ovs, tooth—so called on account of the 
rough papille on the palate, which were mistaken for teeth. (BEpDpARD, 
Mamm., 370, 1902). 
Hyperoxotodon MEncERAT, 1895. Ungulata, Toxodontia, Toxodontide. 
Anal. Mus. Nac. Buenos Aires, IV (2* ser., I), 805-306, 1895. 
Type: Stenotephanos speciosus Ameghino, from the Tertiary of the Rio Santa Cruz, 
Patagonia. 
Extinct. 
Huyperoxotodon: OMENWOS, being above, upper, -+ Xotodon. 2 
Hypertragulus Corr, 1874. Ungulata, Artiodactyla, Camelidee. 
Bull. U. S. Geol. & Geog. Surv. Terr., No. 1, pp. 26-27, 1874; Proc. Acad. Nat. 
Sci. Phila., for 1873, 419-420, Feb. 17, 1874; Ann. Rept. U. 8. Geol. & Geog. Surv. 
Terr., for 1873, 502-503, 1874; Hay, Cat. Foss. Vert. N. Am., Bull. 179, U.S. 
Geol. Surv., 674, 1902 (type fixed). 
Species: Leptauchenia calcarata Cope (type), and Hypertragulus tricostatus Cope, 
from the Oligocene of Colorado. 
Extinct. 
Hypertragulus: ozép, over, above; +Tragulus, 
