MONOCEROS——MOPS. 431 
Monoceros RaFrinesque*, 1815. Ungulata, Perissodactyla, Rhinocerotide. 
Analyse de la Nature, 56, 1815. 
Type: Rhinoceros unicornis Linnzeus, from Africa. 
Name preoccupied by Monoceros Meusch, 1787, a genus of Mollusca. Replaced 
by Unicornus Rafinesque, 1815 (ibid., p. 219), which is also preoccupied by 
Unicornus Montfort, 1810, a genus of Mollusca. (See Rhinoceros Linnzeus, 1758. ) 
Monoceros: uovokéocs, unicorn (from 4óvos, single; Képas, horn). 
Monodelphis? Burnert, 1830. Marsupialia, Didelph yid:e. 
Quart. Journ. Sci., Lit. & Art, XXVIII, for Oct.—Dec., 1829, 351, 1830. 
Species: Monodelphis dorsigerens ( — Didelphis dorsigera Linnzeus?), and M. brachyura 
( — Didelphis brachyura Schreber), from South America. 
Monodelphis: uóvos, single; Ó£Avs, womb. 
Monodon Linn xus, 1758. Cete, Delphinidee. 
Systema Nature, 10th ed., 75, 1758; 12th ed., 105, 1766. 
Monodus ScHvLZE, Mamm. Europea, in Abhandl. und Vortrüge aus gesammt- 
gebiete Naturwiss., IV, 5, 1897. 
Type: Monodon monoceros Linnzeus, from the Arctic Ocean. 
Monodon: uovó80vs, one toothed (from 4óvos, single; 66@v=66o0vs, tooth )— 
from the single horn-like tusk of the male, which is often 7 or 8 feet long. 
Monoeidodon Rorn, 1898. Ungulata, Astrapotheroidea, ? 
Revista Mus. La Plata, IX, 191, 1898 (sep. p. 51). 
Type: Monoeidodon primum Roth, from the ‘toba terciaria’ of the Rio Collon- 
Curá, Patagonia. 
Extinct. Based on two lower premolars. 
Monoeidodon: uóvos, single; 760s, form; 6d6@v=dé6ovs, tooth. 
Monolophodon Rorn, 1903. Tillodontia, Notostylopid:e. 
Revista Mus. La Plata, XI, 143, 1903. 
Type: Monolophodon minutus Roth, from the upper ‘Cretaceous’ of the Rio Chu- 
but, near Colonia, Territory of Chubut, Patagonia. 
Extinct. 
Monolophodon: uóvos, single; Ad@os, crest; 660v=ddo0vs, tooth. 
Monophyllus Leacnu, 1821. Chiroptera, Phyllostomatide. 
Trans. Linn. Soc. London, XIII, pt. 1, 75-76, 1821. 
Monophylla FLowER & LvpEkKER, Mamm., Living & Extinct, 674, 1891. 
Type: Monophyllus redmani Leach, from Jamaica. 
Monophyllus: seoovo@vaAdos, one-leaved (from uóros, single; @UAAOY, leaf). 
Monotherium V4N BENEDEN, 1876. Fere, Pinnipedia, Phocide. 
Bull. Acad. Roy. Sci. Belgique, 2° sér., XLI, 800-801, 1876. 
Monatherium LypEeKKkerr, Cat. Foss. Mamm. Brit. Mus., pt. 1, 206-207, 1885 
(misprint). 
Species, 3: Monotheriwm delognii Van Beneden, M. affine Van Beneden, and M. aber- 
ratum Van Beneden, from the Antwerp basin, Belgium (‘‘ tous de la deuxiéme 
et de la troisiéme section’’ ). 
Monotherium: uóvos, single; 6yptov, wild beast. 
Mops Lesson, 1842. Chiroptera, Noctilionidz. 
Nouv. Tableau Régne Animal, Mamm., 18, 1842. 
Type: Mops indicus Lesson (— Dysopes mops Cuvier), said to be from ‘India,’ but 
probably from the Malay Peninsula. The type of Dysopes mops was collected 
by Diard and Duvaucel. 
Mops: From the name of the ty pe species. 


* Monoceros Zimmermann (Geog. Gesch. Menschen und vierfüss. Thiere, II, 157, 
1780), is not strictly a generic name, but a common name quoted from Strabo. 
