600 INDEX GENERUM MAMMALIUM. 
Pyrotherium—Continued. 
Type: Pyrotherium romeri Ameghino, from the Rio Neuquen, northern Patagonia. 
Extinct. Based on a canine, a premolar, and two molars. 
Pyrotherium: z p, fire; 0ptov, wild beast. 
Q. 
Quadriscopa FrrzixcER, 1869. Ungulata, Artiodactyla, Bovide. 
Sitzungsber. Math.-Nat. Cl. K. Akad. Wiss., Wien, LIX, Abth. 1, 167, Feb., 1869. 
Type: Quadriscopa smithii Fitzinger (=Antilope quadriscopa Smith), from Sene- 
gambia, West Africa. 
Quadriscopa: Lat. quattuor (quadri-) four; scopa, tuft, from the original specific 
name of the type ‘the four-tufted antelope’—in allusion to the four tufts of 
hair, one on each leg below the knee. 
Quatriodon AwraGuiNo, 1881. Edentata, Megatheriid:e (Scelidotheriidz). 
* La Antigüedad del Hombre en el Plata, II, 507, 1881" (fide AwEGnriNo, 1889); 
Cont. Conocimiento Mamíf. Fósil. Repüb. Argentina, in Act. Acad. Nac. Cien., 
Córdoba, VI, 738-739, pl. xutv fig. 8, 1889 (under Glossotherium bonerense). 
Type: Quatriodon boneriensis Ameghino, from Villa de Lujan, Province of Bueaos 
Aires, Argentina. 
Extinct. Based on a right upper jaw with four molars and part of the palate. 
Quatriodon: Lat. quatrio, four; óócv = ddovs, tooth—in allusion to the number 
of molars. 
Quercytherium Fito, 1880. Creodonta, Proviverridee. 
Comptes Rendus, Paris, XC, No. 26, p. 1579, Jan.-June, 1880. 
Inereytheriwm Scorr, Am. Naturalist, XX VII, 659, July 24, 1893 (misprint). 
Type: Quercytherium tenebrosum Filhol, from the Phosphorites of Quercy (upper 
Eocene), France. 
Extinct. Based on fun maxillaire inférieur." 
Quercytherium: Quercy, the type locality, an old district of France; 07ptov, wild 
beast. 
Et. 
Rabdiodon AmEGHINO, 1882. Edentata, Megatheriid:e (Scelidotheride). 
** Cat. Sec. Prov. de Buenos Aires Exp. Cont. Sud-Am., 1882 (nomen nudum)’’ 
(fide AmEGHINO, 1889); Cont. Conocimiento Mamif. Fósil. Repüb. Argentina, 
in Act. Acad. Nac. Cien., Córdoba, VI, 732, 1889 (under Platyonyx oliveri). 
Rhabdodon AMEGHINO, Revista Argentina, 1891, 250. 
Rhabdiodon Zrrrgt, Handb. Palaeont., IV, 139, 1892 (in synonymy ). 
Type: Rabdiodon oliveri Ameghino, from the barrancas of the Rio Lujan, near 
Olivera, Province of Buenos Aires, Argentina. 
Extinct. Based on some molars and a fore limb nearly complete. 
Rabdiodon: AXPStor, little rod; 66@v = ó80vz, tooth. 
Rabdogale (see Rhabdogale). Feri, Mustelidee. 
Rabienus Gray, 1821. Primates, Tarsiidee. 
London Med. Repos., XV, No. 88, p. 299, Apr. 1, 1821. 
Rubienus Gray, Cat. Monkeys, Lemurs & Fruit-eating Bats Brit. Mus., 96, 1870 
(in synonymy ). 
Type: Lemur spectrum Pallas, from Borneo or Celebes. (See Tarsius Storr, 1780.) 
Rachianectes (see Rhachianectes). Cete, Baleenidee. 
Radinotherium (see Rhadinotherium). Ungulata, Toxodontia, Toxodontide. 
Ragatherium (see Rhagatherium). Ungulata, Artiodactyla, Anthracotheriide. 
