MONOGRAPH 



ON 



THE FOSSIL REPTILIA 



OF THE 



WEALDEN AND PURBECK FORMATIONS. 



PART I. 



Pages 1—19; Plates I— IX. 



CHELONIA (Pleurosteenon, &c.) 



[PUEBECK.] 



Br 

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



Issued in the Volume for the Year 1S53. 



LONDON : 

 PRIXTED FOE THE P AL.E ONT GE APHIC AL SOCIETY. 



1858. 



