MONOGRAPH 



OS 



THE FOSSIL REPTILIA 



OF THE 



CRETACEOUS FORMATIONS. 



SUPPLEMENT No. IV. 



Pages 1—18; Plates I— IX. 



SAUROPTEEYGIA (Plesiosattrtts). 



BY 



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



Issued in the Volume for the Year 1862. 



LONDON : 

 FEINTED FOE THE P A.T,M NT G E A PHI C A L SOCIETY. 



1864. 



