304 INDEX GENERUM MAMMALIUM. 
Gymnopyga (subgenus of Macacus) Gray, 1866. Primates, Cercopithecid:e. 
Proe. Zool. Soc. London, 1866, 202, pl. xix; Cat. Monkeys, Lemurs & Fruit- 
eating Bats Brit. Mus., 129, 1870; FonBEs, Handbook Primates (Allen's Nat. 
Lib.), II, 12, 1894 Cc e. given under M. maurus). 
Type: Macacus inornatus Gray, supposed to have come from NE but probably 
from Celebes. 
Gymnopyga: yvuvos, naked; zvy5, rump—from the large naked space sur- 
rounding the callosities on the buttocks. 
Gymnotis Firzincer, 1879. Ungulata, ure e. Cervidee. 
[Anzeiger Math.-Naturwiss. Cl. K. Akad. Wiss. Wien, XV, Nr. 19, p. 155, 1878— 
nomen nudum]; Sitzungsber. Math.-Naturwiss. Cl. K. Akad: Wiss. Wien, 
LXXVIII, Heft 1, Abth. 1, for July, 1878, 343-350, 1879. 
Type: Gymnotis wiegmanni Fitzinger ( — Cervus gymnotis Wiegmann), from north- 
ern South America. 
Gymnotis: y vuvós, naked; ovs, TOs, ear. 
Gymnura Lesson, 1827. Insectivora, Erinaceid:ze. 
Man. Mammalogie, 171, May, 1827; Suppl. CEuvr. Buffon, IV, 429, 1834 (date of 
per Vicors & HonsrrEgLp, Zool. Journ., III, pt. 10, for Apr.-Sept., 
1827, 247-249, pl. vir, Oct., 1827. 
Type: Gymnura rafflesii Lesson (= Viverra gymnura Raffles), from Sumatra. 
Gymnura: y vuvós, naked; oop«, tail—from the naked, scaly, rat-like tail. 
Gymnuromys ForsytH Mason, 1896. Glires, Muride, Cricetinze. 
Ann. & Mag. Nat. Hist., 6th ser., XVIII, 324, Oct. 1, 1896. 
Type: Gymnuromys roberti Forsyth Major, from the Ampitambé forest, in the 
Betsimisaraka country, on the border of northeastern Betsileo, Madagascar. 
Gymnuromys: y vuvós, naked; obec, tail; 0s, mouse—from the scaly, almost 
naked tail. 
Gypsophoca (subg. of Arctocephalus) Gray, 1866. Fer, Pinnipedia, Otariidz. 
Ann. & Mag. Nat. Hist, 3d ser., XVIII, 236-237, Sept. 1866; ibid., 4th ser., 
IV, 269, Oct., 1869 (raised to generic rank); ALLEN, Mon. N. Am. Pinnipeds, 
191, 213, 1880 (in synonymy ). 
Type: Otaria cinerea Quoy & Gaimard (= Otaria forsteri, Lesson), from Australia. 
Gypsophoca: yvyos, chalk; 4- Phoca—probably in allusion to the prevailing gray 
color of the type species. 
Gyriabrus Awraniwo, 1891. Glires, Chinchillide. 
Revista Argentina Hist. Nat., I, entr. 4a, 246-247, Aug. 1, 1891. 
Gyrabrius LyYDEKKER, Zool. Record for 1891, XXVIII, Mamm., 33, 1892. 
Type: Gyriabrus glutinatus Ameghino, from the Oligocene of the city of Paraná, 
Argentina. 
Extinct. 
Gyriabrus: yvptos, round; &fpods, graceful. 
Gyrignophus AwranurNo, 1891. Glires, Octodontid:ze. 
Nuevos Restos Mamíf. Fós. Patagonia Austral, p. 14, Aug., 1891; Revista Argen- 
tina Hist. Nat., I, entr. 5a, 300, Oct. 1, 1891. 
Type: Gyrignophus complicatus Ameghino, from the Lower Eocene of southern 
Patagonia. 
Extinct. 
Gyrignophus: y prios, circular, round; yvódos, darkness (‘confusedly’, 
AMEGHINO). 
Gyrosus (subgenus of Sus) Gray, 1862. Ungulata, Artiodactyla, Suid:e. 
GRAY in Gerrard’s Cat. Bones Mamm. Brit Mus., 278, Mar. 10, 1862; Cat. Carn., 
Pachyderm., & Edentate Mamm. Brit. Mus., 347, 1869 (in synonymy). 
