PERISSODACTYIiA, AKTIODACTYLA. 
Mamm. 23 
/ Soc. XX., Lower Eocene of Wyoming. To this genus is referred 
/ Hyracotherium vortmani (supra, p. 21), E. D. Cope, Bull. U. S. Geol. 
/ Surv. vi. p. 199. P. trilohatus, sp. n. (foss.), id. 1. c. p. 200, Wind River 
j Beds. 
\ P. puercensis and zuniensis, spp. nn. (foss.), id. P. Am. Phil. Soc. 
• xix. p. 492. “ Lowest Eocene” of New Mexico. 
I Catathlceus rhahdodon, g. & sp. nn. (foss.), id. 1. c. p. 487, “ Lowest 
! Eocene ” of New Mexico. 
I Protogonia subquadrata, g. & sp. nn. (foss.), id. 1. c. p. 492, Lowest 
I Eocene ” of New Mexico. 
i A?iiso}ickus seciorius, g. & sp. nn. (foss.), id. 1. c. p. 488, “Lowest 
j Eocene ” of New Mexico ( = Mioclcenus sectorius, Am. Nat. xv. p. 831). 
1 Anacodon ursidens, g. & sp. nn. (foss.), E. D. Cope, P. Am. Phil. Soc. 
\ XX. p. 181, Lower Eocene of Wyoming. 
1 . Periptychus carinidens., g. & sp. nn. (foss.), E. D. Cope, Am. Nat. xv. 
\ p. 337, and P. Am. Phil. Soc. xix. p. 484, “ Lowest Eocene ” of New 
Mexico. 
^ MENlSCOTHEEIIDiE. 
^ M miscotlierium [cf. Zool. Rec. xii. p. IG] terrceruhrm^ sp. n. (foss.), 
E. D. Cope, P. Am. Phil. Soc. 1881, p. 493, “ Lowest Eocene” of New 
Mexico. 
AKTIODACTYLA. 
AnOPLOTHERIID.15. 
/ Mioclamus turgidus^ p. 489, g. & sp. nn. (foss.), E. D. Cope, 1. c. “ Lowest 
Eocene” of New Mexico. M. suhtrigonus, p. 491. M. angustus, 
sp. n. (foss.), E. D. Cope, Am. Nat. xv. and P. Am. Phil. Soc. xix. 
p. 491, “ Lowest Eocene ” of New Mexico. M. hrachystomus (p. 187) and 
etmgicus (p. 189), spp. nn. (foss.), E. D. Cope, P. Am. Phil. Soc. xx. 
Lower Eocene of Wyoming. 
The genus Mioclamus appears, on re-examination, to be, not Phenaco- 
dont, but Artiodactylate, being most nearly allied to Dichohune and 
\Anoplotherium. 
ANTHRACOTHERlIDiE. 
Paloiochoerus platyops^ sp. n. (foss.), E. D. Cope, Bull. U. S. Geol. 
Surv. vi. p. 174, Dakota. 
Plesiomeryx gracilis, sp. n. (foss.), H. Filhol, Ann. Sci. Geol. xii. p. 79, 
Miocene of Ronzon. 
Anthracothcrium. On the remains of this genus from the lignites of 
Volx, Basses-Alpes ; — Collot, Rev. Montp. (2) ii. pp. 456-4G6. 
Oreodontidjc. 
Coloreodon ryderanns, sp. n. (foss.), E. D. Cope, Bull. U. S. Geol. 
Surv. vi. p. 173, Oregon. 
