559 INDEX GENERUM MAMMALIUM. 
Plicatodon— Continued. 
Extinct. Based on one of the anterior superior molars. 
Plicatodon: Lat. plico, to fold; 66@v=66o0vs, tooth. 
Pliodolops AmrGuino, 1902. Allotheria, Polydolopide. 
Bol. Acad. Nac. Cien. Córdoba, XVII, 41, May, 1902 (sep. p. 39). 
Type: Pliodolops primulus Ameghino, from the Notostylops beds of Patagonia. 
Extinct. . 
Pliodolops: mA eiwy, more; + ( Poly-)dolops. 
Pliogamphiodon AMEGHINO, 1884. Edentata, Megatheriidee. 
Filogenia, 231, 1884. 
Pliogamphiodon AmMEGHINO, Bol. Acad. Nac. Cien. Córdoba, VIII, 115, 197, 1885. 
Type: Lestodon blainvillei Gervais & Ameghino, from the Pampean formation of 
the Province of Buenos Aires, Argentina. 
Extinct. 
Pliogamphiodon: zAétGv, more; youdios, molar; 66@v=d60vs, tooth. 
Pliohippus Mansu, 1874. Ungulata, Perissodactyla, Equidee. 
Am. Journ. Sci. & Arts, 3d ser., VII, 252-253, Mar., 1874; Hay, Cat. Foss. Vert. 
N. Am., Bull. 179, U. S. Geol. Surv., 618, 1902 (type fixed). 
Species: Pliohippus pernix Marsh (type), and P. robustus Marsh, from the Plio- 
cene of the Niobrara River, Nebraska. 
Extinct. 
Pliohippus: Plio-(cene); ?zz06, horse. 
Pliohylobates Duzois, 1895. Primates, Simiidee. 
Bull. Soc. Belge Géol., IX, Proc. Verb., 155, 1895 (séance du 29 Oct.); Verhandl. 
Berliner Gesellsch. Anthrop., Eth. und Urgesch., 738, Sitzung Dec. 14, 1895; 
Neues Jahrb. Min., Geol., Palaeont., I, Heft 2, pp. 97-103, Taf. rv fig. 1, 1897. 
Type: Pliohylobates eppelsheimensis Dubois (1897), from the Pliocene of Eppels- 
heim, Rhine Hesse, Germany. ‘‘Bald zweigte sich von diesem Stammab- 
schnitt [ Prothylobates] der Hauptast der Hylobatiden ab, von dem wir aus der 
mittleren und oberen Miocinzeit, als kleine Seitenzweige, den Pliopithecus 
und den Pliohylobates (von Eppelsheim) kennen." (l. c., 1895.) 
See Paidopithex Pohlig, 1895. 
Extinct. Based on a right femur. 
Pliohylobates: Plio- (cene); + Hylobates. 
Pliohyrax Osporn, 1899. Ungulata, Hyracoidea, Procaviidee ( Pliohyracide) . 
Proc. 4th Internat. Cong. Zool., 172-173, pl. 2 figs. 1-3, 1899. 
Type: Hyrax kruppii Fraas, from the lower Pliocene of Samos, Greece. 
Extinct. Based on ‘the facial portion of the skull.’ 
Pliohyrax: Plio-(cene); + Hyrax. 
Pliolagostomus AMEGHINO, 1887. Glires, Chinchillide. 
Enum. Sist. Especies Mamíf. Fos. Patagonia Austral, p. 12, Dec., 1887. 
Type: Pliolagostomus notatus Ameghino, from the lower Tertiary of southern 
Patagonia. 
Extinct. 
Pliolagostomus: Plio-(cene); +-Lagostomus. 
Pliolophus Owen, 1858. Ungulata, Perissodactyla, Equide. 
Quart. Journ. Geol. Soc. London, XIV, pt. 1, No. 53, pp. 54-71, pls. rr-1v, Feb. 1, 
1858. 
Type: Pliolophus vulpiceps Owen, from the London Clay near Harwich, England. 
Extinet. Based on 'an entire skull with the complete dentition of both upper 
and lower jaws . . . and a portion of the skeleton of the same individual, 
including the right humerus . . . the right femur . . . a great part of the left 
femur, the left tibia . . . and three metatarsal bones.’ 
Pliolophus: zÀAtícov, more; Ad@os, crest. 
