410 INDEX GENERUM MAMMALIUM. 
Meniscotherium Corr, 1874. Ungulata, Condylarthra, Meniscotheriide. 
Rept. Vert. Fossils New Mexico, 8, Nov. 28, 1874; Ann. Rept. Chief of Engineers, 
U. S. A., App. FF 3, p. 596, 1874; Tert. Vert., 493-507, 1885. 
Type: Meniscotherium chamense Cope, from the Eocene of New Mexico. 
Extinct. Based on upper molar teeth. 
Meniscotherium: «nvioKos, crescent; 05piov, wild beast—in allusion to ‘‘the 
number of crescents of the molars, being the only genus of the American 
Eocene period yet discovered, which we know to possess the crescent between 
the inner and outer anterior tubercles of the superior molars." (Copr, Rept. 
U.S. Geog. Surv. W. 100th Merid., IV, 251, 1877.) 
Menodus (subgenus, of Palcotherium) PomE., 1849. Ungulata, Titanotheriide. 
Archiv. Sci. Phys. et Nat., Bibl. Univ. Genes e, X, 73-75, Jan., 1849; ZrTTEL, 
Handb. Palaeont., IV, Mamm., 307, 1893. 
Type: Menodus giganteus Pomel (= Palzotheriwm proutii Owen, Norwood & Evans, 
1850), from the Miocene ( White River beds), about 150 miles south of Pierre, 
and near the Nebraska-South Dakota boundary. 
Name preoccupied by Menodon Meyer, 1838, a genusof Reptilia. See Titanotherium 
Leidy, 1853, which is generally used for this genus. 
Extinct. Based on part of a lower jaw. 
Menodus: vn, crescent; dd0vs, tooth. 
Menops Mansu, 1887. Ungulata, Perissodactyla, Titanotheriide. 
Am. Journ. Sci. & Arts, 3d ser., XXXIV, 328-329, figs. 9, 10, Oct., 1887. 
Type: Menops varians Marsh, from the Olizdcone (peter ates peda) of South 
Dakota. 
Extinct. Based on a skull. 
Menops: “évos, strength; oy, aspect. 
Menotherium Corr, 1874. Ungulata, Artiodactyla, Suide. 
Bull. U.S. Geol. & Geog. Surv. Terr., No. 1, pp. 22-23, Jan. 21, 1874; Proc. Acad. 
Nat. Sci. Phila. for 1873, 419, Feb. 17, 1874; Ann. Rept. U.S. Geol. & Geog. Surv. 
Terr. for 1873, 510, 1874; MarrHEw, Bull. Am. Mus. Nat. Hist., XII, 60, 1899; 
Osporn, Bull. Am. Mus. Nat. Hist., XVI, 169, June 28, 1902 (ordinal position). 
Type: Menotherium lemurinum Cope, from the Oligocene (White River beds) of 
northeastern Colorado. 
Extinct. Based on ‘portions of two mandibular rami with dentition.’ 
Menotherium: vn, crescent; nator, wild beast. 
Menycopater (see Merycopater ). Ungulata, Artiodactyla, Agriochceride. 
Meomeris (see Neomeris). Cete, Delphinide. 
Mephitis G. Cuvier, 1800. Fer:e, Mustelid:e. 
[Tabl. Elém. Hist. Nat. Anim., 116-117, 1798—description, ‘les Mouffettes.’ ] 
Lecons Anat. Comp., I, tabl. 1, Class. Mamm., 1800 (names only—‘ Moufettes, 
Mephitis’); ALLEN, Banas, et al., Science, N. S., XVI, 115, 1902 (type fixed). 
Mephites Gray, List Osteol. Spec. Brit. Mus., pp. x, 20, 1847. 
Species: Viverra putorius Linnzeus, and V. mephitis Schreber (type), from eastern 
North America. 
Mephitis: Lat. mephitis, a foul smell—from the characteristic odor. 
Meriones IrricER, 1811. Glires, Murid:e, Gerbilline. 
Prodromus Syst. Mamm. et Avium, 82, 1811; Oxen, Lehrbuch Naturgesch., 3ter 
Theil, Zool., 2te Abth., 890-891, 1816. 
Species: Dipus tamaricinus* (= Mus tamaricinus Pallas), and D. meridianus 
(Gmelin), from the region about the Caspian Sea. - 
Meriones: PES. t thigh—in allusion to the dev velnpment of the hind legs. 

* p. tamaricinus m been made he: = pe of Idomeneus Schulze, 1900. 
