PLATE LXVI. 



Cretaceous Dinosaurs. — Predentata. 



Ceratopsid^e. 



Page. 



Fig. 1. Right scapula and coracoid of Triceratops proreus Marsb ; side view. .. 213 



Fig. 2. Right humerus of same species ; front view 213 



Fig. 3. Left ulna of same individual ; front view 213 



cr, coracoid, «, glenoid fossa; A, head; o, olecranon process; r, radial crest; 



»•', face for radius; s, suture; sc, scapula. 

 All the ligures are one-eighth natural size. 

 376 



