BRIDGBR EOCENE. 249 



and, in general, a warm semi-tropical climate. The following list includes 

 some of the principal forms of the different families of vertebrates found by 

 Professor Marsh's parties in the beds of the Bridger series: 



il^emuravus distans, Marsh. 



Primates iHyopsodus paulus, Leidy. 



(^Limnotherium tyr annus, Marsh. 



C Uintacyon edax, Leidy. 



Carnivores iDromocyon vorax, Marsh. 



(^Limnofelis ferox, Marsh. 



-n . {Nyctitherium velox, Marsh. ^ 



(Nyctitherium priscum, Marsh. 



C Talpavus nitidus, Marsh. 

 Insectivores . . . . <v Centetodon pulcher, Marsh. 



(^Entomacodon angustidens, Marsh. 



CSciu/ravus nitidus, Marsh. 



Rodents IParamys delicatus, Leidy. 



( Tillomys senex, Marsh, 



(Tinoceras anceps, Marsh. 



Dinocerata < Uintatherium rohustum, Leidy. 



(^Dinoceras mirabile, Marsh. 



CPalceosyops paludosus, Leidy. 

 Perissodactyles . (Hyrachyus agrarius, Leidy.' 

 ( Orohippus agilis, Marsh. 



a -IT {Homacodon vagans, Marsh. 



Suillmes w 7 T T , T,^ 1 



(Helohyus lentus, Marsh. 



(Anchippodus minor, Marsh. 

 Tillodontia IStylinodon mirus. Marsh. 



( Tillotlierium fodiens, Marsh. 



CSuho leptosteus. Marsh. 



Birds <Aletornis nohilis, Marsh. 



' Uintornis lucaris Marsh. 



C Trionyx guttatus, Leidy. 



Turtles iBaptemys Wyomingensis, Leidy. 



(^Anosteira ornata, Leidy. 



