Referee's report by John Hammond, on a paper 'The menstrual cycle of the primates. IX—The effect of œstrin on the denervated sexual skin' by Solly Zuckerman Sectional Committee: Zoology Recommended for publication in the 'Proceedings of the Royal Society of London'. Suggests adding list of references. The value of the illustrations could be increased by either adding a scale or reproducing at a definite scale. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on verso as received 4 March 1935. 1 March 1935