244 INDEX GENERUM MAMMALIUM. 
Dorudon Gipses, 1845. Cete, Basilosauridze. 
Proc. Acad. Nat. Sci. Phila., for 1844—45, 254—256, pl. 1, May-June, 1845; Lxrpv, 
Journ. Acad. Nat. Sci. Phila., 2d ser., VII, 428-431, 1869. 
Doryodon Corr, Proc. Acad. Nat. Sci. Phila., Dec., 1867, 154-155; ibid., 1868, 186. 
Durodon Giti, Arrangement Fam. Mammals, 93, Feb., 1872. 
Type: Dorudon serratus Gibbes, from the Eocene greensand near the Santee 
Canal, at the headwaters of Cooper River, South Carolina. 
Extinct. Based on teeth and part of a lower maxilla. 
Dorudon: 8ópv, spear; 660@v=d6o0vs, tooth. 
Doryceros Firzincrr, 1874. Ungulata, Artiodactyla, Cervide. 
[Anzeiger Math.-Nat. Cl. K. Akad. Wiss., Wien, X, Nr. 29-30, p. 198, 1873—nomen 
nudum] Sitzungsber. Math.-Nat. Cl. K. Akad. Wiss., Wien, LX VIII, Jahrg. 
für 1873, Abth. r, 360, 1874. 
Species: Cervus tschudii Wagner, from Peru; and C. nemorivagus F. Cuvier, from 
3razil. 
Doryceros: S0pv, spear; Képas, horn—from the simple unbranched spike-like 
antlers. 
Doryodon (see Dorudon). Cete, Basilosauridze. 
Doryrhina (subg. of Phyllorhina) PETERS, 1871. Chiroptera, Rhinolophide. 
Monatsber. K. Preuss. Akad. Wiss., Berlin, June, 1871, 314. 
Type: Phyllorhina cyclops Temminck, from Boutry, Guinea, West Africa. 
Doryrhina: ddpv, spear; pis, 6tv0s, nose—from the club-shaped process which 
is directed forward from the base of the sella, or from the slender and some- 
what longer vertical process which projects upward from the margin of the 
transverse erect nose leaf. 
Draximenus i 1845. Marsupialia, Phalangeride. 
London Encyclopedia, XXII (art. Zoology), 744, 1845. 
Based on the Koala ( Lipurus cinereus Goldfuss), from eastern Australia. (See 
Phascolarctos Blainville, 1816. ) 
Dremomys (subgenus of Sciurus) HEvpE, 1898. Glires, Sciuride. 
Mém. Hist. Nat. Empire Chinois, IV, pt. 2, pp. 54-55, pl. xir, figs. 1-4, 1898. 
Species, 4: Sciurus pernyi Milne-Edwards, and S. collaris Heude, from the prov- 
inces of Moupin and Se-chuen; 5. saltitans Heude, from the northeastern part 
of the province of Ngan-hoei; and 5. /atro Heude, from the Hoang-ho, province 
of Shan-toong, China. 
Dremomys: 0póuos, a running (from rpéyco, Spauety, to run); “0s, mouse. 
Dremotherium E. Grorrroy, 1833. Ungulata, Artiodactyla, Cervide. 
Extrait du Temps, Paris, Oct. 16, 1833, 622; Revue Encyclopédique, LIX, 81-83, 
footnote, 1833; Études Progress. d'un Natural., 94, 1835. 
Dromotherium Cours, Century Dict., II, p. 1767, 1889 (under Dremotherium). 
Species: Le drémothere de feignoux, et le drémothere nain. Type, Dremotherium 
feignoui E. Geoffroy, from the quarries of Saint-Gérand-le-Puy, Auvergne, 
France. 

Extinct. 
Dremotherium: dpoj0s, a running (from tpéyo, Spaety, to run); 0gpíov, wild 
beast. 
Drepanodon (‘Bronn’) Lermy, 1857. Fer, Felide. 
Proc. Acad. Nat. Sci. Phila., 1857, 176; Journ. Acad. Nat. Sci. Phila., 2d ser., 
VII, 54-64, 367, pls. rv, v, fig. 5, 1869. 
According to Leidy, the genus includes Machairodus primevus Leidy & Owen, from 
Nebraska. 
Nesti, usually given as the authority for Drepanodon, merely used the name 
in 1826 specifically.  Leidy, among others, refers the name to him and gives as 
synonyms of Drepanodon: ** Megantereon Croiz., 1828; Agnotherium, Machairodus. 
Kaup, 1833; Steneodon Croiz., 1833; Smilodon Lund, 1841, etc. (loc. cit., 1857, 
