40 



TEETIAET VEETEBEATA OE THE EATtTM. 



In consequence of these difficulties the following account of the carpal structure 

 must be regarded as more or less provisional, but nevertheless, except in matters of 

 detail, it is probably fairly accurate. 



Speaking geneially the carpus (text-fig. 19) is very similar to that of JElephas, 



Text-fig. 19. 



Left forearm and manus of Arsinoitherium zitteli : A, forearm and proximal row of carpals from front ; 



B, forearm, carpals, and metacarpals from outer side. 



cu., cuneiform ; lu., lunar ; mag., magnum ; mc. 3, rac. 4, mc. 5, third, fourth, and fifth metacarpals • 



U., olecranon process ; pi., pisiform ; r., radius ; sc, scaphoid ; u., ulna ; unc, unciform. 



