228 INDEX GENERUM MAMMALIUM. 
Diconodon M rsu, 1876. Ungulata, Perissodactyla, Titanotheriidee. 
Am. Journ. Sci. & Arts, 3d ser., XI, 339, Apr., 1876. 
Dicodon Trovessart, Cat. Mamm., new ed., fasc. 1v, 740, 1898 (in synonymy ); 
C. O. WarERHOUSE, Index Zool., 106, 1902 (misprint). 
New name for Anisacodon Marsh, 1875, which had previously been used by the 
same author in 1872 for a genus of Insectivora. 
Extinct. 
Diconodon: 61-, two; K@vos, cone; 65@v=65o0vs, tooth—in allusion to the char- 
acter, ‘‘last upper molar with two inner cones." 
Dicotyles G. Cuvier, 1817. Ungulata, Artiodactyla, Tayassuide. 
Régne Animal, I, 237-238, 1817; ed. 2, I, 245, 1829; Dict. Sci. Nat., IX, 518-520, 
1817. 
Dicotylus Bowpicn, Anal. Nat. Class. Mamm., 71, 1821. 
Dycoteles Buy ru, in Cuvier's Anim. Kingdom, new ed., 1840, 131; new ed., 1863, 119. 
Dicotyle Gervais & AMEGHINO, Mamm. Foss. Am. du Sud, 110-115, 1880. 
Dycotyles ALLEN, Bull. Am. Mus. Nat. Hist., N. Y., VIII, 54, 1896. 
Species: Dicotyles torquatus Cuvier, and D. labiatus Cuvier, from tropical America. 
Name antedated by Tayassu G. Fischer, 1814. 
Dicotyles: 81«órvÀos, having two hollows (from óc, two; «orvAy, hollow, um- 
bilicus)—in allusion to the gland on the back, which was regarded by old trav- 
elers as a second navel. 
Dicranocerus (subg. of Antilope) H. Smirn, 1827. Ungulata, Antilocaprid:e. 
Griffith’s Cuvier, Animal Kingdom, IV, 169-175, 1 pl.; V, 322-323, 1827; Sun- 
DEVALL, Vetensk. Akad. HanWdlingar, Stockholm, for 1845, 271-272, 1847 
(ralsed to generic rank ). 
Dicranoceras W1EGMANN, Archiv Naturgesch., 1838, I, 96. 
Dicranoceros &rLoaER, Hand- u. Hilfsbuch Naturgesch., pp. xxxiii, 153, 1841; 
OwEN, Quart. Journ. Geol. Soc., XII, 224, 1856. 
Type: Antilocapra americana Ord, from the plains of the Missouri River. (See 
Antilocapra Ord, 1818.) : 
Dicranocerus: Sikpavos, two-headed; képas, horn—in allusion to the two 
prongs on each horn. 
Dicroceras (see Dicrocerus). Ungulata, Artiodactyla, Cervide. 
Dicrocercus WaALLAcE, 1876. Ungulata, Artiodactyla, Cervidee. 
Geog. Dist. Anim., II, 220, 1876. 
Misprint for Dicrocerus Lartet, 1837. Dicrocercus was used by Cabanis in 1860 for 
a genus of Birds. 
Dicrocerus (subg. of Cervus) Larter, 1837. Ungulata, Artiodactyla, Cervidee. 
Comptes Rendus, Paris, V, No. 6, pp. 158-159 ( Dicrocéres); No. 12, p. 418 (Dicro- 
cerus), July-Dec., 1837; L'Institut, V, 335, 1837; ‘‘ Not. Géol. Dépt. du Gers, 
18397" Notice sur la Colline de Sansan, 34-35, 1851. 
Dicroceros AGassiz, Nomenclator Zool., Mamm., Addenda, 4, 1846; Index Univ., 
125, 1846; 2d ed., 355, 1848. 
Dicrocercus W ALLACE, Geog. Dist. Anim., II, 220, 1876 (misprint). 
Dicroceras BeppARD, Mamm., Cambridge Nat. Hist., X, 301, 1902. 
No species mentioned in first description, but 3 species included in 1839: Dicro- 
cerus elegans Lartet, D. ? crassus Lartet, and D. ?? magnus Lartet, from Sansan, 
Dépt. du Gers, France. 
Extinct. 
Dicrocerus: dikpoos, forked, cleft; Képas, horn—in allusion to the bifid horns. 
Dicrocynodon (Marsu MS.) OsponN, 1888. Marsupialia, Triconodontid:e. 
Mans, in Osborn's Mon. Mesozoic Mamm., Journ. Acad. Nat. Sci. Phila., 2d 
ser., IX, 263, 1888 (sep. issued July 25); Additional Genera established by 
Prot. O. C. Marsh, 1880-1889, 14, 1890 (privately issued). 
diis" 
