234 



EEPTILIA 



CLASS III 



fa ^ 



hinder pair, humerus of equal 

 length with the femur, thorax 

 proportionally large. Scapula 



P"IG. 33(3. 



Brontosaurus excelsus, Marsh. Upper Jura 

 Wyoiniiiff. A, Posterior aspect of sixtli 

 cervical vertebra. B, Lateral asjjcct of 

 dorsal vertebra, 1/12. Lettering as in Fig. 

 334 (after Marsh). 



expanded 



expanded at proximal end, 

 coracoid elongate and straight 

 at articular border. Centra of 



