444 INDEX GENERUM MAMMALIUM. 
Mysops* Lerpy, 1871. Glires, Ischyromyide. 
Proc. Acad. Nat. Sci. Phila., Nov. 28, 1871, 231-232. 
Mysyops 'TRovEssART, Cat. Mamm. Viv. et Foss., Rodentia, in Bull. Soc. d' Etudes 
Sci. d'Angers, X, 1*' fasc., 89, 1880. 
Type: Mysops minimus Leidy, from the Eocene of Fort Bridger, Wyoming. 
Extinct. Based on ‘‘the portion of a lower jaw containing the posterior two 
molars, and the fangs of the two in advance." 
Mysops: 40s, mouse; Ow, aspect. 
Myspithecus Cuvirr, 1833. Primates, Lemuride. 
** Cuvier, Hist. Nat. Mamm., éd. 4°,’’ 1833 (fide F. Cuvier); F. Cuvier, Hist. 
Nat. Mamm. [III, livr. xxxrr, pl. (‘Maki nain?) with 2 pp. text, Oct. 1821], 
VII, Table Gén. et Méthod., p. 2, No. 95, 1842. 
Type: Myspithecus typus (A. Smith), from Madagascar. 
Myspithecus: 4 Os, mouse; 7í05n«os, ape—i. e., a ‘mouse lemur.’ 
Myspithecus BraiNviLLE, 1839. Primates, Daubentoniide. 
Ostéog. Mamm. Récents et Foss., I, fasc. rrr (l Aye-Aye), 33-34, 1839; Lesson, 
Species Mamm., 262-264, 1840; Nouv. Tableau Régne Animal, Mamm., 11, 1842. 
New name for Cheiromys Lacépéde, 1799. ‘‘D’ot nous pourrons conclure que le 
Cheiromys, que l'on pourrait appeler plus convenablement Myspithecus, doit étre 
placé parmi les mammiféres du premier degré d'organisation." —( BLAINVILLE.) 
Name preoccupied by Myspithecus Cuvier, 1833, a genus of Lemuridze. Replaced 
by Myslemur Blainville (?), 1846; which however is antedated by Daubentonia 
Geoffroy, 1795. 
Mystacina Gray, 1843. Chiroptera, Vespertilionidee. 
Gray, in Dieffenbach’s Travels in New Zealand, II, 181, 296, Jan., 1843; List 
Spec. Mamm. Brit. Mus., pp. xix, 34, 1843. 
Type: Vespertilio tuberculatus Forster, from Dusky Bay, New Zealand. 
Name preoccupied by Mystacinus Boie, 1822, a genus of Birds. (See Chalinolobus 
Peters, 1866. ) 
Mystacina: mv6raz pwvorakos, the upper lip, mustache; + adjective suffix-ina. 
Mystacina Gray, 1843. Chiroptera, Noctilionidz. 
Voy. H. M.S. ‘Sulphur,’ Mamm. pt. 11, 28, 1843; Donsow, Cat. Chiroptera Brit. 
Mus., 442-445, 1878. 
Type: Mystacina tuberculata Gray, irom New Zealand. 
Name preoccupied by Mystacimus Boie, 1822, a genus of Birds. Replaced by 
Mystacops Lydekker, 1891. 
Mystacops Lyprkker, 1891. Chiroptera, Noctilionide. 
LvDEKKER, in Flower & Lydekker's Mamm., Living & Extinct, 671, 1891. 
New name for Mystacina Gray, 1843, which is preoccupied by Mystacinus Boie, 
1822, a genus of Birds. Type: Mystacina tuberculata Gray. 
Mystacops: Mystac—(ina); Ow, aspect. 
Mystax (subgenus of Midas), Gray, 1870. Primates, Hapalidze. 
Cat. Monkeys, Lemurs & Fruit-eating Bats Brit. Mus., 66, 1870. 
Species, 3: Midas mystax Spix (type), M. labiatus Geoffroy, and M. rufiventer Gray, 
from Brazil. 
Mystax; jióGra&, upper lip, mustache—from the specific name of the type, Midas 
mystax, the *mustached tamarin.’ 
Mysticetus Wacuier, 1830. Cete, Baleenide. 
Nat. Syst. Amphibien, 33, 1830. 
Type: Balena boops Linneeus, from the Arctic Ocean. 


by Myops Schiner, 1868, a genus of Diptera, and renamed it Syllophodus (Bull. U. 8. 
Geol. and Geog. Surv. Terr., VI, No. 2, p. 375, Sept. 19, 1881). 
f For date see Gray, Proc. Zool. Soc. London, 1863, 142. 
