A MONOGRAPH 



OP 



THE FOSSIL REPTILIA 



OF THE 



LIASSIC FORMATIONS. 



BY 



PEOFESSOE OWEN, C.B., F.E.S., 



FOBEIGN ASSOCIATE OF THE INSTITUTE OF FEANCE, 

 ETC. ETC. 



PART THIRD. 

 PLESIOSAUEUS, DIMOEPHODON, AND ICHTHYOSAUEUS. 



LONDON: 



PEINTED FOE THE PAL^EONTOGEAPHICAL SOCIETY. 



1865—1881. 



