SALTER CRETACEOUS FOSSILS, ABERDEENSHIRE. 83 



6. Baljik. 



Helix ; (in the same packet as No. 5, but the matrix of the Helices, as 

 seen by their contents, was sandy). 



7. Fossils fi'om the Dardanelles. {Hard brownish rock.) 



Cypridae. Paludina? and Operculal 



Cardium. Unio ? 



8. Dardanelles ; (grit). 

 Paludina. Unio. Cyrena ? 



9. Dardanelles; {sandy rock). 

 Paludina. Cyrena. 



10. Dardanelles \ {fissile brownish calcareous sandstone^, 

 Cypridae. Cardium. Unio. 



11. Dardanelles ; {rock similar to No. 10, but more crystalline^. 

 Ligneous fossils (referred to above, p. 81). 



12. Dardanelles; Europe Castle. 

 Melanopsis (see page 81). 



13. Dardanelles. (See page 82.) 

 Cardium. Dreissena. 



On the Cretaceous Fossils of Aberdeenshire. By J. W. 

 Salter, Esq., F.G.S. With a Note on the position of the Chalk- 

 Jlints and Greensand \ by W. Ferguson, Esq., F.G.S. 



[Read June 18, 1856*.] 



[Plate XL] 



No apology need be offered for presenting to the Society a list of 

 the cretaceous fossils discovered in Aberdeenshire by jNIr. W. Fer- 

 guson, and figures of the new and characteristic species ; for there 

 are many points of interest connected with the former extension of 

 the cretaceous rocks from Sweden over the northern part of Britain, 

 and thence to the north of Ireland, which must receive illustration 

 by the recording of such facts as those which he has observed. (See 

 Appendix, p. 88.) 



His own impression is, that there might be a possibility of the 

 fossils m question having been drifted to their present position. But, 



* For the other communications read at this Evening's Meeting, see Quart. 

 Journ. Geol. Soc. vol. xii. p. 384, &c. 



G 2 



