140 



MAEINE EEFTILES OF THE OXFOED CLAY. 



number of cervical vertebrae in the neck and the flatness of their terminal faces ; the 

 shoulder-girdle also differs widely from the types characteristic of those genera. From 



Text-fig. 70. 



Shoulder-girdle of Picrochidus beloelis, from above, rather less than | nat. size. 

 (Type specimeu, E. 1965.) 



cor., coracoid ; i.cl., iuterclavicle ; sc, scapula; v.sc, ventral ramus of scapula. 



Murcenosaurus it is distinguished by the shortness of the centra of the cervicals and the 

 form of the shoulder-girdle. 



Two species are known at present. 



Picrocleidus beloelis, Seeley, sp, 



[Plate VII. ; test-fig. 70.] 



1892. Mur(Enosau7-ii£ beloelis, Seeley, Proc. Roy. Soc. vol. li. pp. 143-145, figs. 10-12. 

 1909. Picrocleidus beloelis, Andrews, Ann. Mag. Nat. Hist. [8] vol. iv. pp. 421-423, iig. o. 



Type Siiecimen, — A portion of a skeleton including six cervical vertebrae, two dorsals, 

 ten ribs, scapulae, coracoids, interclavicle, humeri, one radius, ulnae (R. 1965, Leeds 



