Marsh Collection, Peabody Museum. 



445 



and supports a somewhat divergent pollex, which, however, is 

 in no degree opposable ; there are live metapodials arranged in 

 the usual manner ; they have but moderately developed inter- 

 locking articulations, and the toes are spreading; the third 



Figure 89. — Right fore foot of Sinopa agilis Marsh : three halves natural 

 size. (Type.) The superior articular surface of the scaphoid is not well 

 shown. As drawn, it appears to have great vertical depth in front, which is 

 not the case. 



metacarpal is the longest, and the second and fourth are about 

 equal ; the first is the stoutest and the fifth the smallest of the 

 series ; the phalanges are elongate and slender, and the bony 



