Referee's report by Alan Sterling Parkes, on a paper 'The action of oestrin on the bitch' by J M Robson and W R Henderson Sectional Committee: Physiology Recommended for publication in the 'Proceedings of the Royal Society of London'. No reference is made to a similar paper by Sydney Arthur Asdell and Francis Hugh Adam Marshall. Criticises the experimental method. Suggests the introduction and discussion be rewritten to emphasise the comparative effects of oestrin. Suggests the opinion of a pathologist be sought regarding some of the slides. Gives detailed list of points in the text that require clarification. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on verso as received 23 May 1935. [May 1935]