Letter from D C Martin, on a paper 'The plant growth-regulating activity of dextro and laevo α-(2-naphthoxy)propionic acid' by M S Smith and Ralph Louis Wain, to George Robert Sabine Snow Paper reference code: B23 Martin informs Snow his comments on Smith and Wain's paper have been communicated to them, however Wain is 'reluctant' to cut out Snow's suggestion of the photographs. Martin suggests using two full plates and asks if this is agreeable to Snow. Includes Snow's handwritten reply agreeing with Martin's suggestion, and apologises for overlooking this letter. Written at The Royal Society, Burlington House, London [England]. [Published in Proceedings B, 1951]. Endorsed on recto as received 1 June 1951. 28 May 1951