TYPE-SPECIMENS OF FOSSIL VERTEBRATES. 41 



3315. Hippotherium plicatiie Leidy. Plesiotypes. 



3317. (1) Left metatarsal; (2) proximal phalanx; (3) astragalus; 



3319. (4) right radius; (5) left radius and ulna; (6) right 



3293 tibia; (7) metatarsal; (8) proximal end of metacarpal; 



to (9) proximal median phalanx of fore foot. Pliocene. 



3298. Levy County, Florida. 



Lucas, Trans. Wagner Free Inst. Sci. Phila., IV, 1896, p. 50, pi. 18, 

 (1) fig. 12; (2) fig. n; (3) fig. 14; (4) pi. 19, fig. 3; (5) fig. 

 4; (6) fig. 5; (7) fig- 6; (8) pi. 18, fig. 13; pi. 19, fig. 7; (9) pi. 

 19. fi g- 3. 



•=Hipparion plicatiie. 



3299. Hippotherium princeps Leidy. Type. 



Third upper right premolar. Pliocene. Levy County, 

 Florida. 



Leidy, Proc. Acad. Nat. Sci. Phila., 1890, p. 182. — Lucas, Trans. 

 Wagner Free Inst. Sci. Phila., IV, 1896, p. 49, pi. 19, figs. 12, 13. 



= Neohipparion princeps. 



2573. Hippotherium speciosum (Leidy). Plesiotype. 



Fragment of upper jaw containing five teeth, p 3 -m 3 . Mid- 

 dle Miocene. Pojuaque, New Mexico. 



Cope, Rept. U. S. Geogr. Surv. W. 100th Merid., IV, Pt. II, 1877, 

 p. 322, pi. 75, figs. 3, 3a. 



= Hipparion speciosum. 



151. Homocamelus caninus Leidy. Type. 



Portions of anterior part of cranium containing incisor, 

 canine, and three premolars, p x -p 3 - Loup Fork (Upper 

 Miocene). Niobrara River, Nebraska. 



Leidy, Journ. Acad. Nat. Sci. Phila. (2), VII, 1869, p. 158. pi. 14, 

 figs. 16, 17. 



= Procamelus occidentalis. 



99. Hoplophoneusprimaevus (Xeidy and Owen). See Machairodus 

 primaevus. 



134. Hysenodon cruentus Leidy. Type. 



Portion of left lower jaw containing broken canine, two 

 premolars (p 3 , p 4 ) and last molar (m 3 ). White River 

 (Oligocene). White River, South Dakota. 



Leidy, Proc. Acad. Nat. Sci. Phila., VI, 1853, p. 393; Journ. Acad. 

 Nat. Sci. Phila. (2), VII, 1869, pp. 47, 369, pi. 5, figs. 10, 11. 



144. Hyaenodon horridus Leidy. Type. 



Skull and lower jaw containing nearly complete dentition. 



White River (Oligocene) . White River, South Dakota. 



Leidy, Proc. Acad. Nat. Sci. Phila., 1853, P- 39 2 ! Journ. Acad. Nat. 

 Sci. Phila. (2), VII, 1869, pp. 39, 369, pi. 3. 



1 176. Hyopsodus paulus Leidy. Type. 



Part of right lower jaw containing three molars (m 1 -m 3 ). 

 Eocene. Smiths Fork, Green River, Wyoming. 



Leidy, Proc. Acad. Nat. Sci. Phila., 1870, p. no; Rept. U. S. Geol. 

 Surv. Terr., I, 1873, pp. 75, 320, pi. 6, figs. 1, 2. 



