Referee's report by William Robin Thompson, on a paper 'Biology and morphology of the immature stages of Mycetophilidae (Diptera, Nematocera)' by S Madwar Sectional committee: Zoology Recommended for publication in Philosophical Transactions, in full. Some figures are crude and should be redrawn. No serious modifications are necessary. The paper will be the standard work of reference on this subject. [Published in Philosophical Transactions B, 1937]. Endorsed on verso as received 12 January 1936. January 1936