Proceedings of the Geological and Polytechnic Society of the West Riding of Yorkshire, Volume 3,Nummer 1

Abietineĉ African ivory Algĉ amount animal appear atmosphere Barnsley beds bushels Cameroon carbonate of lime carbonic acid carboniferous cell chemical chicory circuit coal field coal formation coffee colour considerable contains cultivated Cyclopteris decomposition deposited dissolved electro-motive force electrolite equivalent existence Favularia feet coil ferns Filices Fossil Flora fossil plants galvanometer genera genus Geological Gildersome grains Halonia heat Hence hydrogen igneous inch Indian ivory iron Lancashire latitude Lepidodendron limestone mass mean temperature Megaphyton metallic milk Neuropteris nitric acid observed occur Ohm's Ohm's law Oolitic oxygen pair of elements Pecopteris plates platina portion present day produce rocks sandstone Scarbro Sigillaria silicate Society solution specimens Sphenopteris stems Stigmaria strata sulphate of copper sulphate of lime sulphurets sulphuric acid tion tons tropical tusks varieties vegetation voltaic Wakefield weight wheat wire Yorkshire zinc Zinc amalg Zone