2 Watson, Pectoral Girdle from the Loiver Lias. 



Bristol Museum, that specimen being, as Lyddeker has 

 pointed out, merely an adult P. viacroccpJialus. 



Fig. I. Restoration of ihe pectoral girdle ot Plcsiosatirus 

 iiiacroiephalus. Viewed from below x ?.. 



The coracoids are not restored ; there is a perfect lower 

 surface of the scapula and \ of the clavicular arch are 

 preserved anil are accurately represented in this figure. 

 Notice especially the widely separated anterior ends of 

 the scapula\ L. 9767. Manchester Museum. 



Description of tlie specimen. 



Coracoid. Both coracoids are preserved, the right 

 quite perfectly. They are exposed from their ventral 

 surface. 



