Referee's report by Grafton Elliot Smith, on a paper 'The epithelial sheath of hertwig in the teeth of man, with notes on the follicle and Nasmyth's membrane' by J Howard Mummery Sectional Committee: Zoology Recommended for publication in the 'Proceedings of the Royal Society of London'. The paper clarifies some of the complexities surrounding the subject. Suggests the author correct the punctuation and spelling. [Published in the Philosophical Transactions of the Royal Society B, 1920] Endorsed on verso as received 9 July 1918. [July 1918]