PLATE VII. 



Fijf. 1. Trnrhodon ( Pteropehjx) marginalus, Lambe, left ulna and radius, anterior view; one-third 

 natural size. From the same individual as that to which the liuaierus, figured on plate VI, belonged. 

 Page 72. 



Fig. 2. The same, posterior view. 



u, ulna ; r, radius ; o, olecranon process. 



