Referee's report by Cyril James Stubblefield, on a paper 'A study of a non-marine lamellibranch successsion in the lenisulcata zone of the Yorkshire coal measures' by R M C Eager Sectional committee: Geology Recommended for publication in Philosophical Transactions.The work is 'attractive in a field which many would consider unattractive'. The paper is long but no reduction is recommended. It will be of interest to palaeontologists and conchologists as well as those with a general interest in variation. [Published in Philosophical Transactions B, 1947]. Date received not given. 27 July 1945