Letter from Joseph Henry Gilbert, to George Gabriel Stokes, regarding a paper 'Agricultural, botanical, and chemical results of experiments on the mixed herbage of permanent meadow, conducted for more than twenty years in succession on the same land.—Part I' by John Bennet Lawes and Joseph Henry Gilbert Refers to the report by Justus Liebig, with whose opinions he disagrees and does not wish to omit the arguments from the paper as suggested. Subject: Applied Sciences, Botany, Physics and Chemistry [Published in the Philosophical Transactions of the Royal Society, 1880] 18 November 1879