206 



facet for the cuboid bone. The posterior articular surface is continued 

 a little way upon the upper part of the bone. The internal one is more 

 oblong than in the Tapir, but, in almost every other respect, this bone 

 closely resembles the astragalus of the Tapir, whilst it differs in a marked 

 degree from that of other existing Pachyderms. 



Presented by Baron Cuvier. 



835'. The left calcaneum of the American Tapir. Purchased, 



836. The left os scaphoides of the Palceotherium crassum. 



Presented by Baron Cuvier. 



836'. The left os scaphoides of the American Tapir. Purchased. 



837- The left os cuboides of the Palceotherium crassum. It has a single ante- 

 rior articular surface for the metatarsal of the toe corresponding to the 

 fourth in the pentadactyle foot : the fifth toe, like the first or innermost, 

 is wanting in the Palaeotherium. Presented by Baron Cuvier. 



83/'. The leit os cuboides of the American Tapir. Purchased. 



838. The external cuneiform bone of the Palceotherium crassum : this bone 



supports, as usual, the middle metatarsal. 



Presented by Baron Cuvier. 



838'. The external cuneiform bone of the American Tapir. Purchased. 



839. The middle cuneiform bone of the Palaeotherium crassum : this bone 



supports the innermost, which corresponds with the second metatarsal 

 bone in the pentadactyle foot. Presented by Baron Cuvier. 



839'. The middle cuneiform bone of the American Tapir. Purchased. 



840. The internal cuneiform bone of the Palceotherium crassum : this is small 



but elongated, supports no metatarsal bone, but is the sole representative 

 of the hallux or innermost toe. Presented by Baron Cuvier. 



841. The three metatarsal bones of the Palceotherium crassum: m2. the inner, 

 to 3. the middle, and m 4. the outer bone. Presented by Baron Cuvier. 



