OLIGOBIOTHERIUM— —OLTINOTHERIU M. 473 
Oligobiotherium—Continued. 
Extinct. Based on the posterior part of the right mandible with the last two 
molars in place. . 
Oligobiotherium: dAtyos, little; fioc, life; 97píov, wild beast. 
Oligobunis Corr, 1881. Ferz, Canid:e. 
Am. Naturalist, XV, for June, 1881, 497, May 19, 1881; Tert. Vert., 939-942, 
fig. 34, 1885. 
Type: Icticyon crassivultus Cope, from the John Day Miocene of Oregon. 
Extinct. 
Oligobunis: óMy oc, little; ovrós, mound—probably in allusion to the internal 
tubercle of the lower sectorial, which is one of the characters distinguishing 
Oligobunis from Icticyon. 
Oligodens Burmerstrer, 1891. Fer, Procyonid:e. 
Anal. Mus. Nac., Buenos Aires, III, entr. 17, p. 400, expl. lam. vir fig. 2, 1891 
( Oligobunis in text, p. 378). 
Type: Oligobunis argentina Burmeister, from the Tertiary of Paraná, Argentina. 
Extinct. Based on the anterior part of the left jaw. 
Oligodens: óÀíy os, few; Lat. dens, tooth. 
Olig[odon] (see Olygodon). Edentata, Megatheriide. 
Oligoryzomys (subgenus of Oryzomys) BANGs, 1900. — Glires, Muridee, Cricetinee. 
Proc. New England Zool. Club, I, 94-95, pl. 1, fig. 2, Feb. 28, 1900. 
Type: Oryzomys navus Bangs, from Pueblo Viejo, Sierra Nevada de Santa Marta, 
Colombia (alt. 8,000 ft. ). 
Oligoryzomys: ddAtyos, little, small; +-Oryzomys—the group of * pigmy Oryzomys.’ 
Oligotherium AmgEGHINo, 1884. Edentata, Megatheriidee. 
Filogenia, 230, 1884; RoGrr, Bericht Naturwiss. Ver. Schwaben u. Neuburg (a. 
Vis fp eXREXTT 98 E896: 
Olygotherium, AMEGHINO, Bol. Acad. Nac. Cien. Córdoba, VIII, entr. 1, pp. 114, 
197, 1885. 
Species (not named) from Argentina. ‘‘Otro animal de la misma familia 
[Megatheriid:e] que designamos con el nombre de Oligotherium y tan parecido 
al Megatherium y al Essonodontherium que presenta los mismos caractéres 
craneanos generales y el mismo tipo de muelas, presenta otra fórmula dis- 
tinta, 4 lo menos en lo que concierne la mandíbula superior, cuya formula es 
: i ae a $7" 
Extinct. 
Oligotherium: dAiyos, few, little; Syetorv, wild beast. 
Oligotomus Corr, 1873. Ungulata, Perissodactyla, Equidee. 
Palzeont. Bull., No. 12, p. 2, Mar. 8, 1873; Ann. Rept.-U. S. Geol. & Geog. Surv. 
Terr., for 1872, 607, 1873. 
Type: Oligotomus cinctus Cope, from the Eocene of Cottonwood Creek, Wyoming. 
Name preoccupied by Oligotoma Westwood, 1836, a genus of Newroptera. 
Extinct. 
Oligotomus: dAiyos, few; rojós, cutting. 
Oliptodon (see Glyptodon). "dentata, Glyptodontid:e. 
Oltinotherium DrrronrRiE, 1874. Ungulata, Artiodactyla, Suidee. 
Act. Soc. Linn. Bordeaux, X XIX, for 1873, 4° livr., 261-263, pl. vir figs. 6-9, 
1874; Journ. de Zool., Paris, III, 465, 1874. 
Ollinotherium ZrrrEL, Handb. Palaeont., IV, 2te Lief., 335, 1893 (in synonymy). 
Type: Oltinotherium verdeaui Delfortrie, from the Phosphorites of Bach, Dépt. du 
Lot, central France. 
Extinct. Based on an incisor. 
Oltinotherium: Oltis, the ancient name of the River Lot, in southwestern France, 
near the type locality; 670v, wild beast. 
