54 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



567. Parahippus cognatus (Leidy). Type. 



Leidy, Journ. Acad. Nat. Sci. Phila. (2), VII, 1869, p. 314, pi. 21, 



figs. 7-10. 



See Anchitherium (Parahippus) cognatus. 



1 1 29. Paramys buccatus (Cope). See Plesiarctomys buccatus. 



1 127. Paramys delicatior. See Plesiarctomys delicatior. 



1099. Paramys delicatissimus Leidy. See Plesiarctomys delicatis- 

 simus. 



105. Patriofelis ulta Leidy. Type. 



Portions of lower jaw containing broken molars (n^-m ). 

 Bridger (Eocene). Near Fort Bridger, Wyoming. 



Leidy, Proc. Acad. Nat. Sci. Phila., 1870, p. 10; Rept. U. S. Geol. 

 Surv. Terr., I, 1873, p. 114, pi. 2, fig. 10. — Osborn and Wort- 

 man, Bull. Amer. Mus. Nat. Hist., IV, No. 1, 1892, p. 97, text 

 fig. 4. 



2143. Paurodon valens Marsh. Type. 



Left ramus of jaw w T ith teeth. Morrison f T urassic). 

 Wyoming. 



Marsh, Amer. Journ. Sci. (3), XXXIII, 1887, p. 342, pi. 10, fig. 7. 



2877. Pediomys elegans Marsh. Paratype. 



Portion of left lower jaw containing last molar. Ceratops 

 (Cretaceous). Converse County, Wyoming. 



Marsh, Amer. Journ. Sci. (3), XLIII, 1892, pi. 10, fig. 7. 



1024. Peromyscus loxodon (Cope). See Eumys loxodon and Hes- 

 peroni} T s loxodon. 



5382. Phenacodus omnivorus Cope. Type. 



Right upper molar, m\ Wasatch (Eocene). New Mexico. 



Cope, App. FF 3< Ann. Rept. Chief Engineers, in Rept. Sect'y War, 

 II, Pt. II, 1874, p. 599; Rept. U. S. Geogr. Surv. W. 100th 

 Merid., IV, Pt. II, 1877, p. 179, pi. 45, fig. 6. 



1004. Phenacodus primaevus Cope. Plesiotypes. 



1026. (1) Fragment of right lower jaw containing three teeth, 

 5381. m -m ; (2) portion of left lower jaw containing four 



teeth, p 4 -m 3 , associated with five upper teeth, p 3 -m 3 ; 

 (3) last lower molar of left side. Wasatch (Eocene). 

 New Mexico. 



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

 45. (1) figs. 4, 4a; (2) figs. 1-3; (3) fig. 5. 



1027. Phenacodus sulcatus Cope. Type. 



One left superior molar. Wasatch (Eocene). New Mexico. 



Cope, App. FF 3 , Ann. Rept. Chief Engineers, in Rept. Sect'y War, 

 II, Pt. II, 1874, p. 599; Rept. U. S. Geogr. Surv. W. 100th 

 Merid., IV, Pt. II, 1877, p. 179, pi. 45, figs. 7, 7a. 



1 129. Plesiarctomys buccatus Cope. Type. 



Part of cranium including right maxillary bone containing 

 three molars. Wasatch (Eocene). New Mexico. 



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

 171, pi. 44, fig. 8. 



= Paramys buccatus. 



