PELTEPHILUS—PERACYON. So 
Peltephilus— Continued. 
Extinct. 
Peltephilus: z £Ary, shield; @tAos, loving. 
Peltorhinus PrrEns, 1876. Chiroptera, Phyllostomatide. 
Monatsber. K. Preuss. Akad. Wiss., Berlin, July, 1876, 455-454, Taf. 2. 
Type: Artibeus achradophilus Gosse, from Content, Jamaica (exact locality fide 
Dozssow, Cat. Chiroptera Brit. Mus., 528, 1878). 
Peltorhinus: wéAtn, shield; fis, óivóc, nose—in allusion to the shape of the 
nose-leaf. 
Pelycictis Corr, 1896. Fer», Mustelid:e. 
Proc. Acad. Nat. Sci. Phila., Aug. 11, 1896, 390-391; Journ. Acad. Nat. Sci. 
Phila., 2d ser., XI, pt. 2, pp. 237-239, pl. xvin fig. 10, 1 fig. in text, 1899. 
Type: Pelycictis lobulatus Cope, from the Pleistocene of the Port Kennedy bone 
cave, Montgomery County, Pennsylvania. 
Extinct. Based on the mandible. 
Pelycictis: T éAv&, wEAvVKOS, bowl; Z«r:s, weasel—in allusion to the basin-shaped 
heel of the sectorial molar, a character in which this genus differs from 
Putorius. 
Pelycodus Corr, 1875. Primates, Notharctide. 
Syst. Cat. Vert. Eocene New Mexico, 13-15, Apr. 17, 1875; Osporn, Bull. Am. 
Mus. Nat. Hist, N. Y., XVI, 191-194, figs. 20-22, June 28, 1902; Hav, Cat. 
Foss. Vert. N. Am., Bull. 179, U. S. Geol. Surv., 789, 1902 (type fixed). 
Species, 3: Prototomus jarrovii Cope (type), Pelycodus frugivorus Cope, and P. 
angulatus Cope, from the Eocene of New Mexico. 
Extinct. 
Pelycodus: zt £Av&, wéAvKOs, bowl; d6d0vVs, tooth—in allusion to the basin-like 
heel of the molars. 
Pelycorhamphus Corr, 1895. Cete, Physeteridze. 
Proc. Am. Philos. Soc., XX XIV, No. 147, pp. 137-139, May 29, 1895. 
Type: Pelycorhamphus pertortus Cope, from the Miocene (Chesapeake formation) 
of the eastern United States. 
Extinct. 
Pelycorhamphus: méAvé, zéAvkos, bowl; ó&udos, beak. ‘The solid rostrum 
of the vomer bifurcates posteriorly and embraces a basin which takes the 
place of the maxillary basin of the right side and reduces that of the left side 
to very small dimensions."  (Copz.) 
Pentacodon Scorr, 1892. Creodonta, Oxyclenide. 
Proc. Acad. Nat. Sci. Phila., Nov. 15, 1892, 296-297. 
Type: Chriacus inversus Cope, from the Puerco Eocene of New Mexico. 
Extinct. 
Pentacodon: mévrt, five; dk), point; dd@v=d6o0vs, tooth—irom the premolars. 
Pentalophodon (subgenus of Mastodon) Fauconer, 1857. Ungulata, Elephantide. 
Quart. Journ. Geol. Soc. London, XIII, pt. 4, p. 314, Synopt. Table, Nov. 1, 
1857; ibid, XXI, pt. 3, pp. 262-263, Aug. 1, 1865 (provisional name). 
Type: Mastodon sivalensis Cautley, from the Miocene of the Siwalik Hills, India. 
Extinct. 
Pentalophodon: wévte, five; Ad@os, ridge; 66@v = 66 ovs, tooth—irom the molars. 
Peraceras Corr, 1880. Ungulata, Perissodactyla, Rhinocerotidz. 
Am. Naturalist, XIV, 540, July, 1880. 
Type: Peraceras superciliosus Cope, from the Miocene (Loup Fork) of Nebraska. 
Extinct. Based on ‘‘a nearly perfect skull, which lacks the lower jaw."' 
Peraceras: mypos, maimed, mutilated; «£pac, horn—in allusion to the absence 
of a horn. 
Peracyon (see Paracyon). Marsupialia, Dasyuridee. 
