OCRODON—ODOBENOTHERIUM. 469 
Ocrodon Gore, 1874. Ungulata, ri 
Glossary Fossil Mamm., 38, 1874. 
** A fossil genus allied to both the Ruminants and the Pachyderms." (Gore). 
Octacodon Marsn, 1894. Ungulata, Artiodactyla, Anthracotheriide. 
Am. Journ. Sci., 3d ser., XLVIII, No. 283, p. 92, fig. 1 in text, July, 1894. 
Type: Octacodon valens Marsh, from the Oligocene (eastern Miohippus beds) of 
South Dakota. 
Extinct. Based on the last upper molar of the right side. 
Octacodon: 6kto, eight; d?) point; dd5@v=66 ovs, tooth—in allusion to the five 
main cusps and three conical buttresses, making in all eight prominences, on 
the crown of the last upper molar. 
Octalobus (see Otocolobus). Fere, Felidz. 
Octocyon (see Otocyon ). Ferz, Canid:e. 
Octodon Bennett, 1832. Glires, Octodontid:e. 
Proc. Zool. Soc. London, 1832, 46-47; Trans. Zool. Soc., II, 80, pl. xvr, 1836. 
Type: Octodon cumingii Bennett, from Chile. 
Octodon: 6KkT@, eight; 00v —080vz, tooth—irom the resemblance of the enamel 
folds of one of the lower molars to the figure 8. 
Octodontomys Parwrn, 1903. Glires, Octodontid:e. 
Science, new ser., XVII, 873, May 29, 1903. 
New name for Neoctodon Thomas, 1902, which is preoccupied by Neoctodon Bedel, 
1892, a genus of Coleoptera. 
Octodontomys: Óókr à, eight; dd0vs, d60rTos, tooth, i. e., an Octodont; 0s, mouse. 
Octodontotherium AmEGHINO 1895. Edentata, Megatheriide. 
Bol. Inst. Geog. Argentino, XV, cuad. 11-12, pp. 656-657, 1895 (sep. pp. 56-57). 
Type: Octodontotherium grandae Ameghino, from the Pyrotherium beds in the 
interior of Patagonia. 
Extinct. Based on many isolated teeth. 
Octodontotherium: 6kt@, eight; ó8ovc, d60rvros, tooth; Gypiov, wild beast—in 
allusion tothe last lower molar. ‘‘ La derniére molaire inférieure . . . est une 
dent excavée longitudinalement au milieu sur les deux faces opposées, de sorte 
à présenter la forme d' un 8." 
Octotomus Corr, 1885. Ungulata, Amblypoda, Uintatheriide. 
Am. Naturalist, XIX, 44, 53, fig. 34, Jan., 1885. 
Type: Dinoceras laticeps Marsh, from the Dinoceras beds of the Eocene in the 
vicinity of Spanish John Meadow, near Green River, southwestern Wyoming. 
Name preoccupied by Octatomus Tischbein, 1881, a genus of Hymenoptera. 
Extinct. Based on a skull. 
Octotomus: 6KTO, eight; Todos, cutting—in allusion to the number of incisors in 
the lower jaw. 
Ocypetes (subgenus of Vespertilio) Lesson, 1842. Chiroptera, Vespertilionid:e. 
Nouv. Tableau Régne Animal, Mamm., 50, 1842. 
Species: Vespertilio cavernarum Temminck, and V. suillus Temminck, from Java. 
Name preoccupied by Ocypetes Wagler, 1832, a genus of Birds. 
Ocypetes: @KUmETNS, swilt-flying. 
Odmaelurus GuLoceEr, 1841. Fer, Viverride. 
Hand- u. Hilfsbuch Naturgesch., I, pp. xxix, 72, 1841; Tuomas, Ann. & Mag. Nat. 
Hist., 6th ser., XV, 190, Feb. 1, 1895. 
Type: Viverra genetta Linnzeus, of southern Europe and Africa. 
Odmaelurus: 66147) = 661%), smell; a7Aovpos, cat—from the characteristic odor. 
Odobenotherium GratrioLer, 1858. Ferz, Pinnipedia, Odobenid:e. 
Bull. Soe. Géol. de France, 2° sér., XV, feuill. 32-42,. pp. 620-624, pl. v, figs. 
1-3, Dec., 1858. 
Odotenotherium Zrrrgri, Handb. Palaeont., IV, 685, 787, 1893. 
