Referee's report by William Edward Astbury, on a paper 'Shape and molecular orientation in lepidopteran scales' by L E R Picken Sectional committee: Physiology Recommended for publication in Philosophical Transactions. It is an interesting and well-written paper and should be published in Philosophical Transactions. A summary should also be published in Proceedings since it may also be of interest to physicists. [Published in Philosophical Transactions B, 1949]. Date received not given. 1948