40 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



3308. Hippotherium gratum (Leidy). Plesiotypes. 



33 2 6- Lucas, Trans. Wagner Free Inst. Sci. Phila., IV, 1896, p. 49, pi. 18, 



figs. 15, 16. 



= Hipparion ingenuum. 



See Hippotherium ingenuum. 



3306. Hippotherium ingenuum Leidy. Type. 



Second upper molar, associated with last upper molar. Pli- 

 ocene. Archer, Florida. 



Leidy, Proc. Acad. Nat. Sci. Phila., 1885, p. 33, text fig.; Trans. 

 Wagner Free Inst. Sci. Phila., II, 1889, pp. 20, 21, text fig., pi. 

 3, fig- 3- 



= Hipparion ingenuum. 

 See Hippotherium gratum. 



3308. Hippotherium ingenuum Leidy. Plesiotypes. 

 3326. ( 1 ) Proximal phalanx ; (2) left astragalus. Pliocene. (1) 



Peace Creek, Florida; (2) Archer, Florida. 



Leidy, Trans. Wagner Free Inst. Sci. Phila., II, 1889, p. 20, pi. 3, 

 (1) fig. 2; (2) fig. 4. 



= Hipparion ingenuum. 

 See Hippotherium gratum. 



3304. Hippotherium montezumae Leidy. Type. 



Upper molar. Santa Fe marls (Upper Miocene). Lacual- 

 tipan, Hidalgo, Mexico. 



Leidy, Proc. Acad. Nat. Sci. Phila., 1882, p. 291, text fig.; Trans. 

 Wagner Free Inst. Sci. Phila., II, 1889, pp. 21, 22, text fig., pi. 

 5, fig- 10. 



= Neohipparion montezumae. 



3302. Hippotherium montezumae Leidy. Paratypes. 



3303. (1) Proximal end of metatarsal, (2) proximal end of first 



phalanx. Santa Fe marls (Upper Miocene). Lacual- 

 tipan, Hidalgo, Mexico. 



Leidy, Proc. Acad. Nat. Sci. Phila., 1882, p. 291; Trans. Wagner 

 Free Inst. Sci. Phila., II, 1889, p. 21, pi. 5, (1) figs. 5, 6; (2) 

 fig- 7- 



= Neohipparion montezumae. 



3292. Hippotherium plicatile Leidy. Type. 



Upper right molar. Pliocene, hevy Count}-, Florida. 



Leidy, Proc. Acad. Nat. Sci. Phila., 1S87, p. 309, text fig. — Cope, 

 Proc. Amer. Philos. Soc, 1S89, p. 444, fig. 6. — Lucas, Trans. 

 Wagner Free Inst. Sci. Phila., IV, 1896, p. 50, pi. 19, figs. 1, 2. 



= Hipparion plicatile. 



3309. Hippotherium plicatile Leidy. Paratype. 



Three lower molars. Pliocene. Levy County, Florida. 

 Leidy, Proc. Acad. Nat. Sci. Phila., 1887, p. 309. 

 = Hipparion plicatile. 



