u; s. N&i ; 



A MONOGRAPH 



ft. 



ON THE 



FOSSIL REPTILIA 



OF 



THE CRETACEOUS FORMATIONS. 



/ 



BY 



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



LONDON : 



PRINTED FOR THE PAL/EONTOG R A P III C AL SOCIETY. 



1851—1864. 



