46 





GRITS AND 



Upper 

 Gallery. 



Wall-case 41. 



Wenlock 



Evan 



Upp 



50. 



rt 



Scaffold H\ 



Stiper Sto?ies, near Bishops Castle, Salop. 

 51. — Siliceous grit, Coal Measures 



Quarry, Shire Moor, Tynemouth, Northumberland. Pre- 

 sented by Sir Charles Grey, Bart. 



52. — Millston 

 boniferous rocks. 



53. — Cambrian grit, altered. 



Caernarvonshire. 



car- 



Ht 



P 



54. — Millstone grit, Coal Measures. 



Mines. Yorkshire 



Grassington 



"5. 



Upp 



Sandstone, from the " rag " or upper beds of the 



used extensively as a building stone 



district in which it occurs. — Shaftesbury, Dorset 



56. — Sandstone containing Siphonia-like tubes. From 



Plastic 



rf 



57. — Siliceous grit, altered Caradoc Sandstone.— Char- 



ton Hill. 



58, ' „, _ 



Limestone Shale. — Mitcheldean 



Carbonifi 



59. — Grit, Cambrian. — Longmynds, Salop. 



60.— Sandstone underlying the " rag bed " (No. 55), and 

 extensively used as a building stone in the district in which 

 it occurs, for churches, &c. — Shaftesbury, Dorset. 



61. 



Wealden 



Unio 



yf Wight, 



62. — Siliceous sandstone, containing plant remains and 



/ Measures. — Felin 



carbonaceous matter. 



between Halkin and Flint, Flintshire. 



63. — Grit, altered Lower Silurian sandstone, from near 

 the edge of granite. — Pen Ferfyn, S. of Llanerchymedd, 



Anglesea. 



64. — Sandstone, exhibiting lines of stratification. From 



base of 



New 



At the 



Keuper beds, Chatwell P 4 miles east of Neivport, Salop 



> 



ff 



$■ 



1 



taining 



No. 10, 



% 



belongs 

 how, in ; 



ft-j 



111 



khi. 



from fo 



Hi 



