HELIOSCIU RUS—HEMIACIS 915 
Heliosciurus— Continued. 
Species 11, from Africa: Sciurus rufobrachiatus Waterhouse, S. punctatus Tem- 
minick, S. aubryi A. Milne-Ed wards, 5. olivaceus A. Milne-Ed wards, S. annulatus 
Desmarest (type), & aubinnii Gray, S. sharpei Gray, S. abyssinicus (Gmelin) 
Prevost, S. bongensis Heuglin, S. pensis A. Smith, and S. pumilio Le Conte. 
Heliosciurus: Atos, sun; + Sciurus—trom its tropical habitat. 
Heliphobius (see Heliophobius). Glires, Bathyergide. 
Heliscomys Corr, 1873. Glires, Geomyid:e? 
Syn. New Vert. Tert. Colorado, 3-4, Oct., 1873; Ann. Rept. U. 8. Geol. & Geog. 
Surv. Terr., for 1873, 475, 1874. 
Type: Heliscomys vetus Cope, from the Oligocene of Colorado. 
Extinct. Based on ‘mandibular rami.’ 
Heliscomys: #AiGKos (dim. of 7A 0s), a little nail; ws, mouse. 
Helladotherium Gavpnv, 1860. Ungulata, Artiodactyla, Giraftide. 
Comptes Rendus, Paris, LI, No. 22, p. 804, July-Dec., 1860; Forsyra Masor, 
Proc. Zool. Soc. London, 1891, 323-826, fig. 3. 
Type: Helladotheriwm duvernoyi Gaudry, from the Lower Pliocene, Pikermi beds, 
of Greece. 
Extinct. Based on **une téte presque compléte."' 
Helladotherium: 'EAA&s, “EAAGS0s, Greece; 05píov, wild beast—in allusion to 
the type locality. 
Helogale Gray, 1861. Fer, Viverridz. 
Proc. Zool. Soc. London, 1861, 308, 2 figs.; Ibid., 1864, 571; Cat. Bones Mamm. 
Brit. Mus., 76, 1862; THomas, Proc. Zool. Soc. London, 1882, 79-80. 
Species: /lerpestes parvulus Sundevall (type), from Natal; and H. tzmnionotus A. 
Smith, from South Africa. 
Helogale: £Aos, marsh; yaA7, weasel. 
Helohippus Mansu, 1892. Ungulata, Perissodactyla, Equide. 
Am. Journ. Sci., 3d ser., XLIII, No. 256, p. 353, Apr. 1892. 
Type: Lophiodon pumilus Marsh, from the Eocene near Marsh Fork, western 
Wyoming. 
Extinct. Based on a portion of a left upper jaw containing three premolars and 
two molars. 
Helohippus: £Aos, marsh; ?z70c, horse. 
Helohyus Mansu, 1872. Ungulata, Artiodactyla, Helohyid:e. 
Am. Journ. Sci. & Arts, 3d ser., IV, 207-208, Sept. 1872 (sep. issued Aug. 7). 
Type: Helohyus plicodon Marsh, from the Eocene of Grizzly Buttes, near Fort 
Bridger, Wyoming. 
Extinct. Based on ‘‘an upper molar tooth in perfect preservation." 
Helohyus: £Aoc, marsh; vs, óc, hog. 
Helotherium Corr, 1872. Ungulata, Perissodactyla, Titanotheriidee. 
Palzeont. Bull. No. 2, p. 1, Aug. 3, 1872; Proc. Am. Philos. Soc., XII, for Jan. 1871- 
Dec. 1872, 466, Jan. 1873; Sixth Ann. Rept. U. 8. Geol. & Geog. Surv. Terr., 
for 1873, 606 (under Orohippus). 
Type: Helotherium procyoninum Cope, from the Bridger Eocene of Wyoming. 
Extinct. 
Helotherium: £Aoc, marsh; §ypiov, wild beast. 
Hemiacis Corr, 1869. Fer», Mustelide. 
Proc. Acad. Nat. Sci. Phila., 1869, 3; [Proc. Am. Philos. Soc., XI, 177-178, pl. 
rit, fig. 1, 1869—given as Galera perdicida. ] 
