THE 



QUARTERLY JOURNAL 



OF 



THE GEOLOGICAL SOCIETY OF LONDON. 



PROCEEDINGS 



OF 



THE GEOLOGICAL SOCIETY. 



November 5, 1856. 



George Brand, Esq., M.A., and R. Broiigh Smyth, C.E., were 

 elected Fellows. 



The following communication was read : — 



On the Affinities of the Stereognathus ooliticus (Charles- 

 worth), a M.AM.MAIJ from the Oolitic Slate o/Stonesfield. 

 By Professor Owen, F.R.S., F.G.S., &c. 



[Plate I.] « 



The Rev. J. P.B. Dennis, F.G.S., lately did me the favour to place in 

 my hands, for examination, the portion of jaw with teeth, imbedded 

 in the oolitic slate of Stonesfield, Oxfordshire, which he had, two years 

 before, submitted to Mr. Charlesworth of York, by whom the fossil 

 was introduced to the notice of the Geological Section of the British 

 Association at the meeting at Liverpool in 1854. 



The portion of bone exposed to view is about 9 Hues in extent, 

 and is part of a ramus of the lower jaw, containing three molar 

 teeth (PI. I. figs. 1 & 2). 



It is nearly straight ; the side exposed is convex vertically, which 

 indicates it to be the outer side ; a slight bend downwards, and de- 

 crease of vertical diameter, towards the end a, indicate it to be part 



VOL. Xm. PART I, B 



