Geol . McLd . 1885 



M 



^^^ 



lb. 



Deca.ole III . Vol . II . PI . III. 



0, 2a. 



:% 



-v3-"-='"- "' 



.m 



~^^y 





&l3. 





H 



-^, 



9 ^^ifc. 



10 





A.S.Foord 



Oxfordian aiid Lower Oolite Gasteropoda; 

 Yorkshire . 



MinterrL Bros . imp. 



