﻿GREAT OOLITE. 



38 



Right. Left. 

 Humerus, Cetiosaurus longus, Jjth nat. size. (Phps., diagr. c, p. 272.} 



the anterior border. The inner surface (right) has a longitudinal rise near the middle, 

 which bifurcates to strengthen the humeral and coracoid surfaces, and to add to the 

 thickening of the articular end of the bone. Phillips notes the modification of 

 structure of the basal three inches of the blade, indicative of coarse or partial ossification 



