Referee's report by Edwin John Butler, on a paper 'Crinkle “A,” an infectious disease of the potato' by Redcliffe Nathan Salaman Sectional Committee: Botany Recommended for publication in the 'Proceedings of the Royal Society of London'. Some of the points have been demonstrated by the author in a discussion on the 14 March. Some compression could be achieved by removing some of the descriptive repetition. [Published in the 'Proceedings of the Royal Society of London' B, 1930] Endorsed on verso as received 4 December 1929. 3 December 1929