Referee's report by Edwin John Butler, on a paper 'The analysis and synthesis of some disease of the mosaic type. The problem of carriers and auto-infection in the potato' by Redcliffe Nathan Salaman Sectional committee: Botany Recommended for publication in Proceedings, in full. The paper cannot be condensed as he must give as much experimental evidence as possible. It is a 'remarkable contribution'. [Published in Proceedings of the Royal Society B, 1932]. Endorsed on verso as received 22 December 1931. December 1931