328 INDEX GENERUM MAMMALIUM. 
Hippotherium—Continued. 
Species: Equus (Hippotherium) gracilis Kaup, and Equus (H.) nanus Kaup, from 
the Pliocene of Eppelsheim, near Darmstadt, Rhein-Hessen, Germany. 
Extinct. 
Hippotherium: ixos, horse; §npiov, wild beast. 
Hippotigris H. Smirn, 1841. " Ungulata, Perissodactyla, Equidee. 
H. SurrH in Jardine's Nat. Library, Mamm., XII, 321-334, pls. 21-25, 1841; 2d 
ed., Mamm., VI, 321-334, pls. 21-25, 1866; TRovzssanT, Cat. Mamm., new ed., 
fasc. IV, 797-799, 1898; W. L. ScLATER, Mamm. S. Africa, I, 282, 1900 (in syn- 
onymy, type fixed); Pocock, Ann. & Mag. Nat. Hist., 7th ser., X, 306, Oct., 
1902. 
Species, 5: quus zebra Linnzeus (type), Hippotigris antiquorum H. Smith, Equus 
burchelli Gray, Hippotigris quacha, H. Smith, and H. isabellinus H. Smith, from 
Africa. 
Hippotigris: immoriy pis, a supposed kind of tiger, in reality a wild ass, or possi- 
bly a zebra. 
Hippotragus SuNDEVALL, 1846. Ungulata, Artiodactyla, Bovide. 
K. Vetensk. Akad. Handlingar, Stockholm, for 1844, 196-197, 1846; ScLATER & 
Tuomas, Book of Antelopes, IV, pt. xii, 3-39, pls. Lxxvi-Lxxx, Feb., 1899. 
Type: Hippotragus leucophxus (Pallas), from Africa. (See Ozanna Reichenbach, 
1845. ) 
Hippotragus: 1z70s, horse; rp&y os, goat. 
Hircus Brisson, 1762. Ungulata, Artiodactyla, Bovide. 
Regnum Animale in Classes IX distrib., 2d ed., 12, 38-48, 1762; BonpDAERT, 
Elenchus Animalium, I, 50, 1785; RaArFINESQUE, Analyse de la Nature, 56, 1815. 
Species: Hircus et Capra domestica, Capra angorensis, Ibex, Ibex imberbis, Capra 
parva americana, Ibex parvus americanus, Rupicapra, Rupicapra  siberica, 
Gazella indica, Gazella, Gazella bezoartica, G. africana, G. nove hispaniz, Capra 
orientalis, C. syriaca, C. nove hispanix, and C. cretensis. 
Hircus: Lat., male goat. 
Histiophorus (see Istiophorus). Chiroptera, Phyllostomatide. 
Histiops Prrers, 1869. Chiroptera, Phyllostomatide. 
Monatsber. K. Preuss. Akad. Wiss., Berlin, 1869, 399. 
Type: Artibeus undatus Gervais, from tropical America, exact locality unknown. 
Histiops: i6riov, web, sail; ov, aspect—evidently in allusion to its relationship 
to Phyllops. The name suggests characters of the ears or nose-leaf, but the 
description was based on the teeth and skull without reference to the skin, the 
type specimen of the species having been lost. 
Histiotus Gervais, 1855. Chiroptera, Vespertilionide. 
Expéd. Comte de Castelnau dans l Amérique du Sud, Zool., Mamm., 77, pl. xir, 
figs. 6, 6a, 6b, 1855. 
Type: Plecotus velatus I. Geoffroy, from Brazil. 
Histiotus: ióriov, web, sail: ove, óróc, ear—irom the ears, which are very 
large, triangular, and united at their bases posteriorly. 
Histriophoca Girr, 1878. Fere, Pinnipedia, Phocidee. 
Am. Naturalist, VII, 179, Mar., 1873; ALLEN, Hist. N. Am. Pinnipeds, 675-682, 1880. 
Type: Phoca fasciata Shaw (=P. fasciata Zimmermann, from the Kuril Islands, 
North Pacific). 
Histriophoca: Lat. histrio, stage-player; +-Phoca—‘ harlequin seal, from its 
peculiar and striking pattern of coloration. 
Hodobeenus SvNpbEvarLL, 1860. Ferze, Pinnipedia Odobenide. 
Ofversigt Kk. Vetensk. Akad. Fórhandl., Stockholm, XVI, No. 10, for Dec. 14 
1859, 442 footnote, 1860. 
Emendation suggested for Odobenus Brisson, 1762. 
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