TAB V. 

 Plesiosaurus BemarcU, nat. size. 



Fig. 



1. Front view of centrum and neurapophyses of cervical vertebra. 



2. Back view of centrum and neural arch, minus spine, of cervical vertebra. 



3. Front view of centrum and anchylosed base of neural arch of cervical vertebra 



of a larger individual. 



4. Under view of ditto. 



5. Side view of ditto. 



6. Upper view of the vertebra, fig. .2. 



7. Under view of centrum of cervical vertebra, slightly distorted by posthumous 



pressure. 



From the Upper Green-sand, near Cambridge. In the British Museum. 



