120 PROCEEDINGS OF THE GEOLOGICAL SOCIETY. [NoV. 7, 



No. ft. in. 



208. Waving alternating sandstones and arenaceous shales 12 



207. Strong sandstone 21 



206. Argillaceous shale 10 



205. Arenaceous shale 11 4 



204. Laminated sandstone 12 8 



203. Arenaceous shale (plants) 6 2 



202. Hard band of carbonaceous shale (Modiola) H 



201. Argillaceous shale 6 



200. Bluish bituminous shale (Cypris, Modiola, plants) 6 6 



199. Black bituminous shale (Cypris, Modiola, fish-scales, teeth 



and spines, coprohtes) 7 



198. Soft bluish-white clay 1 



197. Laminated slightly bituminous shale (Modiola) 2 7 



196. Slaty sandstone (plants, a bivalve shell) 3 



195. Arenaceous shale 2 



194. Argillaceous shale 2 9 



193. Carbonaceous shale 2 



192. Argillaceous shale 1 9 



191. Mixed sandstones and arenaceous shales 19 



190. Strong sandstone 24 



189. Argillaceous shale (erect trees, plants, Stigmaria), varies 



in thickness from 2 to 6 feet 4 



188. Coal (the main coal seam) 6 



187. Underclay (Stigmaria) 8 



186. Argillaceous shale 1 3 



185. Arenaceous shale (erect trees, plants, Stigmaria) 5 



184. Soft blue clay 0^ 



183. Arenaceous shale (erect trees, plants, Stigmaria) 4 



182. Argillaceous shale mixed with coal 3 



181. Underclay (Stigmaria) 3 2 



180. Carbonaceous matter 0^ 



179. Underclay (Stigmaria) 2 4 



178. Strong sandstone 8 



177. Arenaceous shale 2 2 



176. Argillaceous shale (plants) 1 10 



175. Arenaceous shale (erect trees) 4 



174. Argillaceous shale 2 7 



173. Argillaceous shale containing layers of coal 5 



172. Coal (Calamites in this seam) 9 



171. Underclay (Stigmaria) 1 



170. Arenaceous shale (plants) 6 3 



169. Argillaceous shale containing layers of coal 2 



168. Underclay (Stigmaria) 4 8 



167. Coal 4 



166. Underclay (Stigmaria) 2 3 



165. Soft blue clay 2 



164. Argillaceous shale 8 11 



163. Sandstone (erect trees) 7 



162. Argillaceous shale 1 3 



161. Coal mixed with argillaceous shale 3 



160. Underclay (Stigmaria) 1 2 



159. Sandstone , 4 10 



158. Arenaceous shale containing concretions of sandstone .... 6 1 



157. Arenaceous shale 4 9 



156. Coarse sparry limestone (fish-scales, teeth, spines, fins, 



bones, and coprolites) 7 



155. Hard nodular arenaceous shale 1 



154. Limestone (scales, teeth, &c. of fishes) 2 



153. Argillaceous shale 3 



152. Limestone (scales, teeth, &c. of fishes) 4 



