72 



LIMESTONES. 



Upper 

 Gaileky. 



"Wall-case 43. 



15. 



Productus 



Hi 



bonift 



16. — Carboniferous limestone, compact grey limestone 



underlying but not in contact with trap-rock. Ca 



H 



Enc 



mpsie 



Nos. 15 and 16 occur 

 nearly together. 



17. — Carboniferous limestone, compact limestone 

 showing fossil Corals and Encrinites on a weathered surface. 



House, Mendip Hills, Somersetshire. 



18.— Wenlock limestone, {Upper Silurian,) compact 

 limestone, containing fossil shells, and the stems of Perie- 



Dudley Encrinite 



Wen 



lock, Salop. 



18a.— Wenlock limestone, polished specimen of shelly 



limestone. Formed chiefly of Rhynconella and other shells. 



Q 



sentcd by the Rev, Francis Dyson. 



Pre- 



19. 



th Pent a 



Uppe 



20. — Carboniferous limestone, 



Product 



light 



View Edge, Salop. 



grey, compact 



Ireland. 



•Little Island, Cork, 



21.— Permian limestone, compact, grey limestone, con 



Magnes 



occurring in 



taining fossils, 



Limestone which overlies the calcareous conglomerate of the 

 Permian series. — Kirhby Woodhouse, Notts. 



22.— Carboniferous limestone, compact limestone, with 

 Product 



dW\ 



23. — Carboniferous limestone : " Cumbernauld lime- 

 stone? compact, bituminous, and of a dark grey colour. 



Scotland. 



Wm 



24. — Wenlock limestone, compact, grey : " Dudley 



limestone," {Silurian,) with Corals and numerous stems of 

 Crinoids. — Dudley, Worcestershire. 



25. — Upper Silurian limestone, compact, grey lime- 

 stone, with numerous fossil shells. — Near Church Stretton, 

 Salop. 





chiefly com] 

 -Bal 



exhibiting 



mtkast o) 



The bant 



arises from i 



It is also nil 



stone, from 



