744 



Hyrackyus. 



Subfam. I. fHyracodontinae. 



927. tHyrachyus, Leidy, 1871. 

 Lopldodon, p., Marsh; Tapirus, Protapirus et Palaeotapirus, Filhol. 



tEocaen. med. 



4624. tagrarius, Leidv. Proc. Acad. Nat. Sc. PhiL. 

 1871, p. 229: Kep.Geol.Surv., 1871. p! 

 357; Ext.Vert.Faun.. 1873. p. 60. pl. 2,4, 

 20; Cope, Tert. Vert., 1884, p. 675; Amer. 

 Natur., 1887, p. 997, fig. 10, pl. 31 ; Osb. 

 et Wortin.. BuU. Am. Mus. 1895^ p. 367, 

 fig. 9. 10. 11. 



agrestis, Leidy, Rep. 1871. p. 357. 

 implicatus, p., Cope (Specim. 1). 

 Bairdianus, Marsh, Amer. Journ.. II. 

 1871, p. 3. 



4625. teximlus. Leidv, Proc. Ac. PhiL 1871, 

 p. 229: Rep.Geol.Surv., 1871. p. 361; 

 Ext.Vert.Fauna. 1873. p.66. pl. 4, 19.26; 

 Cope. Tert. Vert. 1884, p. 661, pl. 23a, 

 53. 54. 55. 55 a et 58 a. 



4626.tmodestus. Leidv, Proc. Ac. Phil.. 1871, 

 p. 229; Ext. Vert, Fauna, 1873. p.67. pl.2. 

 fig. 13. 



4627. tprinceps, Marsh. Am. Journ. Sc. IV, 1872, 

 p. 125: Cope. Tert. Vert.. 1884. p. 661, 

 pl. 52. fig. 4. 



4628.timplicatus. Cope. Pal. BuU. X° 12. 1873. 

 p. 5; Tert. Vert. 1884, p. 676. pl. 58. 

 fig. 6. 7. 



crassklens, Scott, Sp. et Osb., Rep. Princ, 

 Exp.. 1877, p. 52. 



4629.timperialis. Scott, Spier et Osb.. Rep. Princ. 

 Exp., 1877. p. 50; ?Cope. Tert Vert. 

 p. 661. 



4630. tintermedius. Scott Sp. et Osb., Rep.Princ. 

 Exp.. 1877. p. 51. 



4631.tparadoxus, Scott, Sp. etOsb., Rep. Princ. 

 Exp.. 1877. p. 53, 135. 



4632.t?nanus. Leidy. Proc, Acad. PMlad.. 1872. 

 p. 20 (= Helatetes boops, Marsh. 1872. 

 — Vide infra Sp.4722). 



America sept. 

 Wyoming 

 (Bridger). 



t Eocaen. med. 



Wyoming 

 (Bridger). 



tEocaen. med. 

 "Wvoming. 



tEocaen. med. 

 Wyoming. 



tEocan. med. 

 Wyoming. 



tEcoaen. med. 

 Wyoming (Bridger). 



tEocaen. med. 

 "Wyoming. 



tEocaen. med. 

 "Wyomiug. 



t Eocaen. med. 

 "Wvominor. 



