A MONOGRAPH 
OF THE 
FOSSIL REPTILIA 
OF THE 
LIASSIC FORMATIONS. 
. S - 3 
PROFESSOR^ OWEN, C.B., F.R.S., 
FOREIGN ASSOCIATE OP THE INSTITUTE OF FRANCE, 
ETC. ETC. 
LONDON; 
PRINTED FOR THE PALAIONTOGRAPHICAL SOCIETY. 
1861 — 1881 . 
