Copy letter from Robert William Frederick Harrison to Professor S H [Vines] FRS 'It is proposed to set down Prof Bose's paper for reading on March 6th (Thursday week) - that being the last meeting before Easter at which biological paper are likely to be taken; and it is being advertized in Nature & this week as one of the published paper for that meeting. I send you this early notice in view of your expressed wish to come up and expand the paper; as that if the date named does not suit you - there may be time to attempt some others arrangement.' 25 February 1913