180 INDEX GENERUM MAMMALIUM. 
Cheiromys—Continued. 
Cheyromis É. Grorrroy, Cat. Mamm. Mus. National Hist. Nat., 181, 1803. 
Chiromys I11iGER, Prodromus Syst. Mamm. et Avium, 75, 1811; AGassiz, Nomen- 
clator Zool. Mamm., 7, 1842. 
Type: Cheiromys madagascariensis ( —Sciurus madagascariensis Gmelin), from 
Madagascar. Name antedated by Daubentonia Geoffroy, 1795. 
Cheiromys: xttp, hand; “0s, mouse—in allusion to the large opposable hallux, 
which gives the foot the appearance of a hand. 
Cheiron Burnert, 1828. Primates, Simiide. 
Quart. Journ. Sci., Lit. & Art, XXVI, 307, Oct.-Dec., 1828. 
Species: Cheiron lar (—Homo lar Linn:wus), from the Malay Peninsula; and C. 
leuciscus ( —Simia leucisca Schreber), from Java. (See Hylobates Tiger, 1811.) 
Cheiron: Xeipwyv, Chiron, one of the centaurs, a famous soothsayer and surgeon. 
(The name was probably derived from xezp, hand, and applied to the gibbons 
in allusion to the great development of their arms and hands). 
Cheironectes (see Chironectes). Marsupialia, Didelphyide. 
Cheiropotes (see Chiropotes). Primates, Cebidee. 
Cheiropteruges (subg. of Pteropus) Ramsay, 1877. Chiroptera, Pteropodidee. 
Proc. Linn. Soc. New South Wales, II, 17-19, July, 1877. (Full genus on p. 19.) 
Type: Pteropus ( Cheiropteruges) alboscapulatus Ramsay, from Duke of York Island. 
Cheiropteruges: xetp, hand; mrépvé, wing. 
Cheirosciurus (see Chirosciurus) Primates, Lemuridee. 
Cheirotherium Bruno, 1839. Sirenia, Halitheriide. 
Mem. Reale Accad. Sci., Torino, ser. 2, I, 143-160, tav. 1-11, 1839. 
Type (species not given) from Montiglio, Piemonte, Italy. 
Name preoccupied by Cheirotherium Kaup, 1835, a genus of Reptiles. 
Extinct. Based on part of a skull with several teeth, and numerous other bones. 
Cheirotherium: yeip, hand; 6gpzov, wild beast—in allusion to the fore limbs, 
which are supposed to have resembled those of Manatus. 
Chelemys (subgenus of Akodon) THomas, 1903. Glires, Muridee, Cricetinze. 
Ann. & Mag. Nat. Hist., 7th ser., XII, 242, Aug. 1, 1908. 
Type: Akodon megalonyx (= Hesperomys megalonyx Waterhouse), from the Lake 
of Quintero, Chile. 
Chelemys: x9À7), claw; 0s, mouse—in allusion to the large fossorial claws. 
Cheiodus Kaup, 1832. Glires, Castoridee. 
Oken’s Isis, Jena, 1832, 995-996, Taf. xxv1, figs. 1, 2. 
Chelodon GroaEgR, Hand- u- Hilfsbuch Naturgesch., I, 105, 1841. 
Chelodus AG^ssiz, Nomenclator Zool. Mamm., 7, 1842 (misprint). 
Type: Chelodus typus Kaup, from the Miocene of Europe. 
Extinct. Based on ‘‘the first upper molar of the right jaw and the last upper 
molar of the left jaw." 
Chelodus: ynA%, claw; 0809s, tooth. 
Cheloniscus Waater, 1830. Edentata, Dasypodidee. 
Nat. Syst. Amphibien, 35, 1830. 
Type: Dusypus gigas Cuvier, from South America. New name for Priodon F. 
Cuvier. ‘‘Die ebenen, nicht sügefórmig eingeschnittenen Zihne des Tatu 
machen die Abschaffung des Cuvier’schen, ohnehin falsch construirten Sip- 
penamens nóthig."  (WAGLER.) 
Cheloniscus: yeAc v5, tortoise, with dim. suffix—in allusion to the carapace. 
Cheloniscus (subgenus of Tolypeutes) Gray, 1865. Edentata, Dasypodidee. 
Proe. Zool. Soc. London, 1865, 379-380; Cat. Carn., Pachyderm., & Edentate 
Mamm. Brit. Mus., 386, 1869. 
Type: Dasypus tricinctus Linn:eus, from South America. 
Not Cheloniscus Wagler, 1830, based on D. gigas, a species which Gray puts in 
the genus Prionodos. 
