Referee's report by Edwin John Butler, on a paper 'On the numerical distribution of micro-organisms in the atmosphere' by A S Horne Sectional Committee: Botany Recommended for publication in the 'Proceedings of the Royal Society of London'. Cannot take responsibility for recommending the paper without the recommendation of a statistician. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on verso as received 21 November 1934. 20 November 1934