432 Wortman — Studies of Eocene Mammalia, etc. 



Length of second metatarsal. ._ 78*5 mm 



Length of third metatarsal _ 87 * ■ 



Length of fourth metatarsal ._ _ 87* 



Length of fifth metatarsal 74-5 



Length of first phalanx, digit II... 27' 



Length of first phalanx, digit III ._ 29* 



Length of first phalanx, digit IV 29-5 



Length of first phalanx, digit V. 26* 



Length of second phalanx, digit III 16* 



Length of ungual phalanx, digit III _._ 15*5 



This specimen is from the volcanic-ash bed of Henry's 

 Fork, Bridger Basin, and was found by J. Heisey. 



[To be continued.] 



