MONOGRAPH 



ON 



THE FOSSIL REPTILIA 



OF THE 



CRETACEOUS FORMATIONS. 



SUPPLEMENT No. III. 



Pages 1 — 25 ; Plates I — VI. 



PTEEOSAUBLA (Pteuodactylus) 



AND 



SATJUOPTERYGIA (Polyptychodon) . 



BT 



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



Issued in the Volume for the Year 1858. 



LONDON : 



PRINTED FOR THE P A L^IONT G RAPH IC AL SOCIETY. 



1861. 



