PLATE 43 



FORE FEET OF MERYCHIPPUS SPHENODUS, M. PANIENSIS, M. SEJUNCTUS. 

 THREE SPECIES FROM THE PAWNEE CREEK BEDS, NORTHEASTERN COLORADO. 



All figures one-half natural size. 



Front and outer views. The vestigial fifth digit, Mtc. V, is preserved in M. sejunctus Cope, Am. Mus. 9378; in the 

 others it is indicated by facets on Mtc. IV but its form is unknown. 



Pawnee Creek, Col. Middle Miocene 1. Merychippus sphemdus Cope, referred specimen, Am. Mus. 9390. Asso- 

 ciated with skull, a, Anterior and, b, external view. 

 " " " 2. Merychippus paniensis Cope, referred specimen, Am. Mus. 9382 (reversed in 



drawing). Associated with skull, jaws and large part of skeleton. Same 

 -v iews as 1. 



" " " " " 3. Merychippus sejunctus Cope, referred specimen, Am. Mus. 9378 (reversed 



in drawing). Associated with jaws and large part of the skeleton. Same 

 views as 1. 



308 



