Referee's report by Vernon Herbert Blackman, on a paper 'The life-history, cytology and method of infection of Plasmodiophora brassicæ Woron., the cause of finger-and-toe disease of cabbages and other crucifers' by W R Ivimey Cook and E J Schwartz Sectional Committee: Botany Recommended for publication in the 'Philosophical Transactions of the Royal Society', in part. The paper requires considerable condensation. Some of the plates can be omitted. [Published in the Philosophical Transactions of the Royal Society B, 1930] Endorsed on verso as received 15 October 1929. [October 1929]