MONOGRAPH 
THE FOSSIL EEPTILIA 
or THE 
LONDON CLAY. 
* . 
VOLUME 11. PART 1. 
■ Pages 1—4; Plates I and II. 
[Chelone gigas.] 
BY 
\1 PROFESSOE OWEN, C.B., E.E.S., 
TOEEIGN ASSOCIATE OF THE IKSTITUTE OF FEANCE, ^ 
ETC. ETC. ^ 
Issued in the Volume for the year 1880. 
LONDON: 
FEINTED FOE THE PAL^ONTOGEAPHICAL SOCIETY. 
1880. 
» 
