A MONOGRAPH 
OP 
THE FOSSIL REPTILIA 
OP THE 
LIASSIC FORMATIONS. 
BY 
PUOEESSOE OWEN, C.B., E.E.S., 
POEEIGN ASSOCIATE OF THE INSTITBTE OF FEAWCE, 
ETC. ETC. 
PART THIRD. 
PLESIOSAIJEUS, DIMORPHODON, AND ICHTHYOSAHRUS. 
LONDON : 
PRINTED FOE THE PALJEONTOaEAPHICAL SOCIETY. 
1865 — 1881 . 
