Copy letter from Robert William Frederick Harrison, to Professor Francis Wall Oliver, Fellow of the Royal Society, Chairman of the Botany Sectional Committee Sending the paper by Professor Bose on 'An automatic method for the investigation of the velocity of transmission of excitation in Mimosa'. It has already been sent to two referees nominated by the Physiology Committee, but as it deals with physiological botany, the Secretaries are of the opinion that it should be considered by the two committees. 29 July 1912