TAB. I. 



Plesiosaurus doUchodeirus . 



1. Skeleton (No. 3), 1 ~10th nat. size. 



2. Outline of bones of fore paddle of the skeleton described hj Conybeare (p. 1), 



l-8th nat. size. 



3. Outline oi" bones of hind paddle, ib., ib. 



From the Lower Lias of Lyme Regis. In the British Museum. 



