Quart. Journ. Geol. Soc. Vol. LXIII, Pl. I. 



1x15 DIAMS. 



• 



«s 





- - 



>d.-:i^' >^--^ 



l}'*- ■■■;;. 





< ■ : 



- 1 yp ,a. ., 



2 x 40 DIAMS. 



3 x40 DIAMS. 



/. H. Pledge, Photomicro. 



Bemrose. Collo. 



BELEMNITES ABBREVIATUS AND VARIETIES OF 

 ARNGROVE STONE, 



