MONOGRAPH 
UF 
THE FOSSIL REPTILIA 
OF THE 
LIASSIC FORMATIONS. 
PROFESSOR OWEN, F.E.S., D.C.L., 
FOREIGN ASSOCIATE OF TUB INSTITUTE OF FRANCE, 
ETC. ETC. 
PART SECOND. 
P T E R 0 S A U R I A. 
Pages 41 — 81 ; Plates XVII — XX. 
LONDON : 
PRINTED FOR THE PALiEONTOGRAPHICAL SOCIETY. 
1870. 
