Plienaeoelus. 



725 



879. tPhenacodus, Cope, 1873. 



HyracotJierium, p., Cope, 1880; Trispondylus, Cope; Helohyus, 



Thinotherium, p.. Elotherium. p.. Marsh, 1871 — 72. 



4485. -rnunenius, Cope, Tert. Vert. 1881. p. 434, jEocaen. inf.-med. 

 pl. 5 7 g. America sept. 



(Wasatch). 



4486. tprimaevus. Cope, Pal. Bull.. N° 17, 1873, tEocaen. inf.-med. 

 p. 3: Eep. Vert. Foss. New-Mex., 1874, America sept. 



p. 10. 122: Ann. Eep.. 1873. p. 458; Eep. Wyoming (Wasatch). 

 West 100 Merid., 1877. p. 174: Tert.Yert, 

 1884. p. 435. pl. 57, b. c d. e. h et pl. 58; 

 Osb. et Wortm., Bull. Am. Mus., 1892, 

 p. 86. fig. 2. 



Var. trilobatus, Cope. Tert. Vert., pl. 58, » 



fiff. 11. 



4487.themiconus. Cope, Pal. Bull., X° 34, 1882, 

 p. 179: Proc. Am. Phil. Soc. 1881 (1882), 

 p. 179; Tert.Yert. 1884. p. 463, pl. 24e. 



4488.Wortmanni. Cope, Amer. Natur., 1880, 

 p. 747 iHvntmth.); Bull. Geol. Surv., VI, 



1881. p. 199: Pal.BulL. N° 34, p. 179; 

 Tert. Yert. 1884. p. 464. pl. 29 e, f, 

 57h. 58. 



aptemus, Cope. Pal. BulL. N° 34, 1882, 

 p. 179. 180. 



4489.tmacropternus. Cope, Pal. BulL. N° 34, 



1882. p. 179: Tert. Yert, 1884. p. 490, 

 pl. 24 e. 



4490.Tbrachypternus. Cope, Pal. BulL. N° 34, 

 1882. p.180; Tert Vert, 1884, p. 490, 

 pl. 24 c 



4491.-rzuniensis. Cope, Pal. BulL, N° 33, 1881, 

 p. 492: Proc Am. Phil. Soc. 1881, p. 492; 

 Tert.Yert. 1884, p.491, pl.57f. 



4492.-!-?plicodon. Marsh, Am. Journ. Sc, IV, 

 1872, p. 207 : XLHT, 1892. p. 351 ; XLVIII, 



1894. p. 264. fig. 11_14; Scott, Morphol. 

 Jahrb., XVI. 1890, p. 319, pLXIV, fig. 14. 



4493.T?validus, Marsh, Am.Journ., IV, 1872, 

 p. 208; 1894, p. 264, fig. 15. 



tEocaen. inf.-med. 



America sept 



(Wasatch). 



-fEocaen. inf.-med. 



America sept. 

 Wyoming (Wasatch). 



tEocaen. inf.-med. 



America sept, 



(Wasatch). 



tEocaeu. inf.-med. 



America sept. 



(Wasatch). 



tEocaen. inf.-med. 



America sept. 



(Wasatch). 



tEocaen. America 



sept. Wyoming 



(Bridger). 



t Eocaen. Wyoming. 



