THE GIANT DEER. 



41 



The radius (Text-fig. 24) is a large bone having the form commonly found in 

 swift-footed ungulates. The ulna has a large olecranon, but the lower half, which is 

 firmly united to the radius, is reduced to a thin splint-like bone. 



Fig. 23. — Right humerus. A Antero-internal view ; B Outer (right side) view. J natural size. From Rock- 

 barton, Kilmallock, Limerick (Nat. Mus., Dublin), a, head j 6, great tuberosity ; c, lesser tuberosity ; d, deltoid ridge ; 

 e, trochlear surface ; /, external condyle ; g, internal condyle. 



The carpus (Text-fig. 25a) has the arrangement characteristic of the Ungulata 

 vera. There is no centrale ; the magnum articulates with the scaphoid and is separated 

 from the cuneiform by the meeting of the unciform and lunar. All the carpal bones 

 G 



