chambers are lined with Carbonate of Lime : it is from 
Cropredy. Fig. 2. is half a nodule of indurated Marie, 
containing a similar shell, from Whitby. Figs. 3 and 4. 
are two views of a small specimen given me by E. 
Strangeways, Esq. from the neighbourhood of Ilmin- 
ster : the same Gentleman has likewise given me a spe- 
cimen from Whitby. The large specimen, fig. 5. is 
remarkable for the gibbosity of its whorles ; but in other 
respects it does not differ from the small one, fig. 4, in the 
centre of it. It is from the same place, by favour of my 
valued friend, the late — Cunnington, Esq. It is in 
indurated Marie, with some few grains of Hydrate of 
Iron, indicating an approach to the inferior Oolite, 
