590 INDEX GENERUM MAMMALIUM. 
Pelecyodon Awxrcniwo, 1891. Edentata, Megalonychidee. 
Nuevos Restos Mamíf. Fós. Patagonia Austral, 37-38, Aug., 1891; Revista Argen- 
tina Hist. Nat., I, entr. 5a, 323-324, Oct. 1, 1891. 
Species, 5: Pelecyodon cristatus Ameghino, P. robustus Ameghino, P. arcuatus 
Ameghino, P. petraeus Ameghino, and P. maximus Ameghino, from the lower 
Eocene of southern Patagonia. 
Extinct. : 
Pelecyodon: z£Aekvs, ax; 66@v = dd0vs, tooth—in allusion to the first upper 
molar, which is described as ‘“‘muy comprimido lateralmente, plano al lado 
interno, convexo al esterno, y gastado un poco oblicuamente.”’ 
Pellegrina Girecorio, 1886. Glires, Octodontid:e. 
Atti Soc. Toscana Sci. Nat., Pisa, VIII, fasc. 1, pp. 234-241, tav. v figs. 1-3, 5-10. 
14-17, 19-21, 28-32; vi figs. 1, 4-7, 10, 13, 16, 17, 31-34; vir figs. 24-34; vir 
figs. 1-9, 10, 12-14, 24, 1886. 
Pellegrinia ZrrrEt, Handb. Paleont., IV, 2" Lief., 542, 1893; 'TROUESSART, Cat. 
Mamm., new ed., fasc. 111, 598, 1897. 
Type: Pellegrina panormensis Gregorio, from the Post-Pliocene of Monte Pelle- 
grino, near Palermo, Sicily. 
Extinet. Based on numerous pieces of bones and teeth. 
Pellegrina: Monte Pellegrino, Sicily, where the type species was discovered. 

Pelomys (subgenus of Mus) PETERS, 1852. Glires, Murid:e, Murinee. 
Monatsber. K. Preuss. Akad. Wiss., Berlin, May, 1852, 275; Naturwiss. Reise 
nach Mossambique, Zool., I, Siitugeth., 157-159, Taf. xxxii fig. 3, xxxv fig. 9, 
1852 (raised to generic rank ). 
Type: Mus ( Pelomys) fallax Peters ( d ) from the Caya district, on the Zambesi 
River; and ( 9 ) from Boror, on the Licuare (S. lat. 17°), East Africa. 
Pelomys: 7ÀAóc, mud, mire; 0s, mouse—in allusion to its habitat in wet ground. 
Pelonax Corr, 1874. Ungulata, Artiodactyla, Suid:e. 
Ann. Rept. U. 8. Geol. & Geog. Surv. Terr., for 1873, 504—505, 1874; Hay, Cat. 
Foss. Vert. N. Am., Bull. 179, U. S. Geol. Surv., 654, 1902 (type fixed). 
Species: (?) Elotherium crassum Marsh, and FE. ramosum Cope (type), from the 
Oligocene of Colorado. 
Extinct. 
Pelonax: mos, mud, mire; &vaé, lord, king—in allusion to the animal’s sup- 
posed habitat in marshes. 
Peloriadapis GraNnpipirer, 1899. Primates, Megaladapidee. 
Bull. Mus. Hist. Nat., Paris, V, No. 6, p. 276,1 fig. in text; 344, 2 figs. in text, 1899. 
Type: Peloriadapis edwardsi Grandidier, from Ambolisatra, on the southwest coast 
of Madagascar. 
Extinct. Based on a portion of a tooth and a fragment of a jaw. 
Peloriadapis: weA@pios = zéAcpos, huge, enormous; + Adapis. 
Peltariophorus BirLBERG, 1828. Edentata, Dasypodidz? 
Syn. Faunae Scandinaviae, I, Mamm., Conspectus A (before p. 1), 1828. 
Nomen nudum, following Dasypus and Cataphractus. 
Peltariophorus: zeÀArápiov, dim. of wéArn, shield; $opós, bearing. 
Peltecoelus AMEGHINO, 1902. Edentata, Dasy podid:e ( Peltephilidze). 
Bol. Acad. Nac. Cien. Córdoba, XVII, 138, May, 1902 (sep. p. 70). 
Type: Peltecoelus prelucens Ameghino, from the Colpodon beds of Patagonia. 
Extinct. 
Peltecoelus: zt éAr1), shield; x ozAos, hollow—in allusion to the plates of the carapace, 
which have the lateral borders somewhat elevated and the centers depressed. 
Peltephilus Amecurno, 1887. Edentata, Dasypodide. 
Enum. Sist. Especies Mamif. Fós. Patagonia Austral, p. 25, Dec., 1887. 
Species: Peltephilus strepens Ameghino, and P. pumilus Ameghino, from the lower 
Tertiary of southern Patagonia. 
