DISTYLOPHORUS—DOLICHOPHYLLUM. 241 
Distylophorus—Continued. 
Extinct. 
Distylophorus: 61-, two; + Stylophorus. 
Ditetrodon Corr, 1885. Ungulata, Amblypoda, Uintatheriidee. 
Am. Naturalist, XIX, No. 6, p. 594, June, 1885. 
Type: Uintatherium segne Marsh, from the Eocene (Dinoceras beds), east of Fort 
Bridger, Wyoming. 
Extinct. Based on a ‘lower jaw, and other parts of the skeleton.’ 
Ditetrodon: 01, two; rerpa-, four; d6@v = ddo0vs, tooth—in allusion to the four 
lower premolars and the four symphyseal teeth on each side. 
Ditomeodon GnarrorET, 1869. Ungulata, Artiodactyla, Hippopotamide. 
GRATIOLET, in Gervais’ Zool. et Paléont. Gén., 1° sér., 250 footnote, 1867-69. 
New name for Cherodes Leidy, 1852, which is preoccupied by Chwrodes White, 
1846, a genus of Coleoptera. 
Name antedated by Cheropsis Leidy, 1853. 
Ditomeodon: 61-, two; Tou, cut; dd@v = ddo0vs, tooth—in allusion to the single 
pair of lower incisors. 
Dobsonia Parmer, 1898. Chiroptera, Pteropodide. 
Proc. Biol. Soe. Wash., XII, 114, Apr. 30, 1898; Marscure, Fledermiiuse Berliner 
Mus. Naturkunde, Lief. I, Megachiroptera, 86, 1899 (synonym of Cephalotes) ; 
Tuomas, Proc. Biol. Soc. Wash., XV, 198, Oct. 10, 1902 (name adopted). 
New name for Hypoderma 1. Geoffroy, 1828, which is preoccupied by Hypoderma 
Latreille, 1825, a genus of Diptera. 
Dobsonia: In honor of Dr. George Edward Dobson, 1848-95; author of ‘Catalogue 
of the Chiroptera in the British Museum,’ 1878, and ‘Monograph of the Insec- 
tivora,’ 1882-90. 
Docodon Marsn, 1881. Marsupialia, Triconodontide. 
Am. Journ. Sci. & Arts, 3d ser., XXI, 512-513, June, 1881. 
Type: Docodon striatus Marsh, from the Upper Jurassic (Atlantosaurus beds) of 
Wyoming. 
Extinct. 
Docodon: 8okós, rafter; d6@v = ddo0vs, tooth. 
Doedicurus Burmetster, 1874. Edentata, Glyptodontide. 
Anal. Mus. Pub. Buenos Aires, II, entr. xu, 393-404, pl. xxi, figs. 1-4, 1874. 
Dedicurus LYDEKKER, Cat. Foss. Mamm. Brit. Mus., V, 122-123, 1887. 
Deedycurus Cours, Century Dict., II, p. 1717, 1889 (under Dedicurus). 
Type: Glyptodon giganteus Serres, from the province of Buenos Aires, Argentina. 
Extinct. 
Doedicurus: 6oiàv&, doidvuKos, pestle; op, tail—in allusion to the club-shaped 
end of the caudal tube, which is covered with tubercles and a few large disks. 
Dolichodon (subgenus of Ziphius) Gray, 1866. Cete, Physeteride. 
Cat. Seals & Whales Brit. Mus., 353-355, fig. 72, 1866; Synop. Whales & Dol- 
phins, 10, 1868 (raised to generic rank). 
Type: Ziphius layardii Gray, from the Cape of Good Hope. 
Dolichodon: SoArx6s, long; 65@v = ddo0vs, tooth—from the elongated, arched, 
truncated teeth of the male. 
Dolichophyllum Lvprkxxn, 1891. Chiroptera, Phyllostomatidze, 
LvpEkKzn, in Flower & Lydekker's Mamm., Living & Extinct, 673, 1891. 
New name for Macrophyllum Gray, 1838, which is preoccupied by Macrophylla 
Hope, 1837, a genus of Coleoptera. 
Dolichophyllum: SodArx6s, long; $0AAov, leafÉ—from the erect lanceolate portion 
of the nose leaf. 
1591—No. 23—03——16 
