158 INDEX GENERUM MAMMALIUM. 
Nycticebinee Mivanr, 1864. Primates. 
Proc. Zool. Soc. London, 1864, p. 637. 
Nycticebide NicHorsow, Man. Zool., Il, p. 552, 1870. 
Nycticeina Gervais, 1855. Chiroptera. 
Expéd. Comte de Castelnau Am. Sud., Zool., Mamm. p. 71 footnote, 1855; Ann. 
Sci. Nat., Paris, Zool., 4° sér., V, p. 220, 1856. 
Nycticejinae Gitt, Arrangement Fam. Mamm., p. 17, 1872. 
Nycticellina Gray, 1866. Chiroptera. 
Ann. & Mag. Nat. Hist., 3d ser., X VII, p. 91, Feb., 1866. 
Nyctipithecinze Mivarr, 1865. Primates. 
Proc. Zool. Soe. London, 1865, p. 547. 
Nyctophilina Gray, 1866. Chiroptera. 
Ann. & Mag. Nat. Hist., 3d ser., XVII, p. 91, Feb., 1866. 
©: 
Ochotonidze THomas, 1897. Glires. 
Proe. Zool. Soc. London, for 1896, p. 1026, 1897. 
Octodontida WATERHOUSE, 1839. Glires. 
Proc. Zool. Soe. London, 1839, p. 172. 
Odobeenide ALLEN, 1880. Fer», Pinnipedia. 
Hist. N. Am. Pinnipeds, pp. 5, 17 footnote, 1880. 
* Odontomysopidae AmEGHINO, 1902. Glires. 
301. Acad. Nac. Cien. Córdoba, XVII, p. 35, May, 1902 (sep. p. 33). 
CEgosceridee ConnBoLp, 1859. Ungulata, Artiodactyla. 
Todd's Cyclop. Anat. & Physiol, V, pp. 506, 508, 1859. 
Agosceride (?), Mus. Nat. Hist., I, p. 163, 188-? 
Includes Capra and Ovis. 
Ogmorhinine Turner, 1888. Ferze, Pinnipedia. 
Zool. Voy. Challenger, XXVI, pt. 68, p. 62, 1888. 
*Omomynee TnovxkssanT, 1879. Primates. 
Revue et Mag. de Zool., 3* sér., VII, pp. 223, 225, 1879. 
Ondatrina Gray, 1825. Glires. 
Thomson’s Ann. Philos., XXVI, p. 341, Nov., 1825. 
i1Opossina WaaxEn, 1843. Marsupialia. 
Suppl. Schreber’s Siiugthiere, IIT, pp. v, 39 [31], 1843 (used asa family). 
Includes Myrmecobius, Didelphys, Chironectes, Perameles, and Choeropus. 
Orcini WaaNzn, 1846. Cete. 
Suppl. Schreber's Siiugthiere, VII, p. 292, 1846. 
Orcadina Gray, Cat. Spec. Mamm. Brit. Mus., pt. 1, Cetacea, p. 278, 1850. 
Orcade Gray, Suppl. Cat. Seals & Whales, p. 85, 1871. 
* t Oreodontide Lkripv, 1869. Ungulata, Artiodactyla. 
Journ. Acad. Nat. Sci. Phila., 2d ser., VII, p. 7, 1869. 
Name not available according to Lydekker (Man. Palzeont., II, p. 1326, 1889), 
Oreodon being preoecupied. (See Cotylopid:ze. ) 
Ornithoryncina Gray, 1825. Monotremata. 
Thomson’s Ann. Philos., XXVI, p. , Nov., 1825. 
Ornithorhynchide Burnerr, Quart. Journ. Sci., Lit. & Art, XXIX, p. 365, Apr. 
June, 1830; BoNAPARTE, Saggio Dist. Met. Anim. Vert., p. 28, 1831. 
* Orophodontidae AmEGHINO, 1895. Edentata. 
Bol. Inst. Geog. Argentino, XV, 1895 (sep. p. 57). 

