DISTRIBUTION. 159 
6. LANCASHIRE COAL-FIELD—WIGAN. 
Riding Mine 
Ince Yard Mine 
Ince 4-foot Mine 
Ince 7-foot Mine 
Furnace Coal 
Pemberton 5-foot Mine 
Little Coal 
Pemberton 4-foot Mine 
Wigan 5-foot 
Wigan 4-foot 
Wigan 9-foot 
Cannel 
King Coal 
Ravin Mine 
Haigh Yard Coal 
Carbonicola. 
With Schizodus at Hulton. 
With Carbonicola robusta and C. acuta. 
With Carbonicola robusta. 
Bone Coal Naiadites modiolaris. 
Smitt or Orrell 5-foot 
Arley or Orreli 4-foot With Carbonicola robusta. 
. Carbonicola robusta thirty yards below the Arley Mine. 
Gannister Beds 
Upper Mountain Mine 
Coal of Upholland 
Bullion Coal 
Gannister Coal 
5-foot Coal 
Lower Mountain Mine 
Lower foot Coal 





With marine Mollusca. 
With Carbonicola aquilina and C. nucularis. 
Carbonicola acuta, C. aquilina, C. robusta, at Rishton Colliery. 
Billinge. 
Rough Rock 
7. DETAILED SEcTION oF SHELL-Bups* BELOW THE LowER-Mountain Mine OF RusHTON 
Connery, NEAR BuacksurN. FurnisHep py Wm. Pickup, Esq. 
Lower Mountain Mine. 
ees Lower Foot Coal. 
i ne 




692 20 FO7917 OO PRcyo. Black shales with Carbonicola aquilina 
vs e co ~ 
SOAS AIG EI OGLE eS o%,)| and C. acuta (dwarf). 
ae 6 6 6 at Sorel SOU, ose 0 
Ve | 
| 
| 
| 
| 
2722006 0°90 00 0°0)\Black shale with Carbonicola robusta 
J»o ¢F9 9A FOO ODE above. 
1@od0d0 
Sh Gao Oe eee ECE 
,00 000089900099 6G % Carbonicola aquilina at bottom. 


Es Sle Bed Co:l. 
* Of course these beds lie at a considerable inclination to the horizon. 
