MONOGRAPH 



ON 



THE FOSSIL REPTILIA 



or THE 



LONDON CLAY, AND OF THE BRACKLESHAM AND 

 OTHER TERTIARY BEDS. 



PART II. Supplement No. 1. 



Pages 1 — 4 ; Plate XXIX. 



CHELONIA (Platemys). 



BY 



PROFESSOR OWEN, D.C.L., E.R.S., F.L.S., E.G.S., &c. 



Issued in the Volume for the Year 1849. 



LONDON: 

 PRINTED FOR THE P ALiEONTO GR AP H I C A L SOCIETY. 



1850. 



