327 



HYRACHYUS. 



Hyrachyus agrarius. 



Leidy: Hayden's Preliru. Eep. Geol. Sar. Wyoming 1871, 357; Pr. Ac. Nat. Sc. 



1871, 229 ; 1872, 19, 1G8 ; Hayden's Eep. Geol. Sar. Montana 1872, 361. 

 Hyrachyus agrestis. Leidy : Hayden's Eep. Geol. Sur. Wyoming 1871,. 357. 

 JOophiodoH Bairdianus. Marsh: Am. Jour. Sc. 1871, II, 3. 



t 



The species is described page 60 of the present work, and specimens 

 attributed to it are represented in Figs. 11, 12, -Plate II; Figs. 9 to 18, 

 Plate IV ; and Figs. 25, 26, Plate XX. From the Bridger Eocene of 

 Wyoming. 



Hyrachyus exlwus. 



Leidy: Pr. Ac. Nat. Sc. 1871, 229; 1872,108; Hayden's Eep. Geol. Sur. Mon- 

 tana 1872, 301. 



Described page 66, and represented by Figs. 19, 20, Plate IV ; Fig. 5, 

 • Plate XIX; and Figs. 9, 10, Plate XXVI. From the Bridger Eocene 

 of Wyoming. 



Hyrachyus modestus. 



Leidy: Pr. Ac. Nat. Sc. 1872, 20; Hayden's Eep. GeOl. Sur. Montana 1872, 301. 

 Lophiodon modestus. Leidy : Pr. Ac. Nat. Sc. 1S70, 109. 



Described page 67, and represented by Fig. 13, Plate II. From the 

 Bridger Eocene of Wyoming. 



Hyrachyus nanus. 



Leidy : Pr. Ac, Nat, Sc. 1S72, 20 ; Hayden's Eep. Geol. Sur. Montana 1872, 301: 

 ? Loplviodon nanus. Marsh: Am. Jour. Sc. 1S71, II, 37. 



Described page 67, and represented by Fig. 14, Plate II; Fig. 42, Plate 

 VI; Fig. 11, Plate XXVI; and Figs. 21, 22, Plate XXVII. From 

 the Bridger EocCne of Wyoming. 



LOPHIODON 1 



LOPHIODON OCCIDENTALS. 



Leidy : Pr. Ac. Nat. Sc. 180S, 232 ; Ext, Mam. N. America 1809, 391. 



Noticed as probably found in the Miocene of Oregon, page 218, and repre- 

 sented in Fig. 1, Plate II. 



LOPHIOTHEKIUM. 



LoPHIOTHERIUM SYLVATICUM. 



Leidy: Pr. Ac. Nat, Sc. 1870, 120. 



