386 



, Another specimen of the fore-foot of P. medium, formed of three entire 

 fingers, the vestige of a thumb, and of a little finger, came under the 

 observation of M. Cuvier. He also obtained carpal remains, which, 

 from their size and proportions, he was confident in attributing to P. 

 magnum and minus. 



In the plaster-of-paris, bones of the upper extremities were also found, 

 which were divisible by the species of articulation employed in the el- 

 bow, into those of two distinct genera. In one set of the radii, the 

 upper head was divided in the middle by a ridge, on each side of which 

 was a depression; and, in the other set, there were three depressions, 

 separated by two blunt ridges. 



The former of these, those with two depressions, were ascertained 

 to belong to the genus Palaotherium. Ossa humeri were also found, 

 corresponding in their lower head with these radii, and consequently 

 having two prominences corresponding with the depressions in the head 

 of the radius. The ulna of this genus appeared to resemble very much 

 that of the tapir: some differences were however observable, but these 

 were but slight. 



To obtain the information which M. Cuvier possesses, respecting the 

 scapulae of the animals of this, and of those of the succeeding genus, must 

 have required, as he justly observes, prodigies of patience, in those who 

 separated the parts of these tender and fragile bones, from the stone in 

 which they were imbedded. In consequence of these successful exer- 

 tions, he was enabled to ascertain, that these bones were all referable to 

 two general forms. In the one kind there existed no acromion, the 

 spine raising itself gradually unto about two thirds of its length, where 

 is its most projecting part, and where its edge is most widened, and 

 blending itself forwards with the outer face of the scapula. The scapula 

 of this description appears to have belonged to this genus : the other 

 kind of scapula, which appears to have belonged to the genus Anoplo- 

 iherhmi, will be noticed in its place. 



