Lectures on Agricultural Chemistry and Geology. By Jas. F.W. Johnston, M.A., F.R.S.S.L. & E., Fellow of the Geological and Chemical Societies, Honorary Member of the Royal Agricultural Society, Foreign Member of the Royal Swedish Academy of Agriculture, Etc., Etc., Chemist to the Agricultural Chemistry Association of Scotland, and Reader in Chemistry and Mineralology in the University of Durham. With an Appendix, Containting Suggestions for Experiments in Practical Agriculture
