246 INDEX GENERUM MAMMALIUM. 
Dromotherium (see Dremotherium) Ungulata, Artiodactyla, Cervidee. 
Drymomys Tscuuni, 1844. Glires, Murid:e, Murine. 
Fauna Peruana, 178-180, Taf. xrrr, fig. 1, 1844; Wiegmann’s Archiv Naturgesch., 
1844, I, 251. 
Type: Drymomys parvulus Tschudi, from the forests of central Peru. ''Dry- 
momys =Mus—type musculus." (OLDFIELD THOMAS, in epist., Mar. 28, 1898.) 
Drymomys: ópvuósc, coppice, wood; “0s, mouse. 
Dryolestes Mansu, 1878. Marsupialia, Amphitheriid:e. 
Am. Journ. Sci. & Arts, 3d ser., XV, 459, June, 1878. 
Dryole[i]stes FongBEs, Zool. Rec. for 1881, XVIII, Mamm., 31, 1882. 
Type: Dryolestes priscus Marsh, from the Atlantosaurus beds of the Upper Jurassic 
of Wyoming. 
Extinct. Based on ‘the right lower jaw.’ 
Dryolestes: pts, Spvos, tree; Ayorns, robber. 
Dryopithecus Larrer, 1856. Primates, Simiidee. 
Comptes Rendus, Paris, XLIII, No. 4, pp. 219-223, pl. figs. 7-9, July-Dec., 1856. 
Type: Dryopithecus fontani Lartet, from the Miocene of Saint-Gaudens, Haute- 
Garonne, France. 
Extinct. Based on three pieces of the lower jaw and a humerus. 
Dryopithecus: dpts, Spvos, tree; zíüy«oc, ape—in reference to the supposed 
arboreal habits of these apes. 
Dryoryx GLocEn, 1841. Edentata, Myrmecophagidee. 
Hand- u. Hilfsbuch Naturgesch., I, pp. xxxi, 112, 1841; Tuomas, Ann. & Mag. 
Nat. Hist., 6th ser., XV, 191, Feb. 1, 1895. 
Type: The Tamandua ( Myrmecophaga tetradactyla Linnseus), from Brazil. 
Name antedated by Tamandva Rafinesque, 1815; and by Uroleptes Wagler, 1830. 
Dryoryx: 806, 8pvós, tree; ópv&, pickaxe—in allusion to the large claws with 
which the animal climbs about trees. 
Dryptodon Marsn, 1876. Edentata, Ganodonta, Stylinodontide. 
Am. Journ. Sci. & Arts, 3d ser., XII, 408-404, Nov., 1876. 
Type: Dryptodon crassus Marsh, from the Lower Eocene of New Mexico. 
Extinct. 
Dryptodon: ópozrc, to tear; 66@v = ddovs, tooth. 
Dryxis RarinesquE, 1815. Ungulata, Artiodactyla, Bovidze. 
Analyse de la Nature, 56, 1815; Gray, Cat. Ungulata Brit. Mus., 47, 1852 (quoted). 
Nomen nudum. 
Ducantalpa Borrarp, 1842. Insectivora, Chrysochloridee. 
Le Jardin des Plantes, 118, 1842. 
Type: Ducantalpa rubra Boitard, said to be from Guiana, but probably from 
South Africa. 
3oitard places Ducantalpa next to Chrysochloris and gives as synonyms of 
D. rubra: Chrysochloris rufa Desmarest and Talpa rubra Gmelin (= T. rubra 
Erxleben). Erxleben's Talpa rubra was based on the Tucan of Fernández, 
from America (probably a Geomys), and the Talpa rubra americana of Seba (a 
composite animal). 
Ducantalpa: Ducan (= Tucan); talpa, mole—‘tucan mole.’ 
Dugong LactpEpr, 1799. Sirenia, Dugongid:e. 
Tabl. Mamm., 17, 1799; Tabl. Méthod., in Buffon’s Hist. Nat., Didot ed., Quad., 
XIV, 193, 1799; Mém. l'Institut, Paris, III, 501, 1801. 
Dugungus TinpEMANN, Zoologie, I, 554, 1808. 
Dugongidus Gray, London Med. Repos., XV, 309, Apr. 1, 1821. 
Type: Dugong indicus (= Trichecus dugon Miller), from the Indian Ocean. 
Dugong: Malay duyong, Javanese duyung. 
