Referee's report by James Gray, on a paper 'On the nature and permeability of chitin II—The permeability of the uncalcified chitin lining the foregut of homarus' by C M Yonge Sectional committee: Zoology Not recommended for publication. It appears the author isn't familiar with the physical problems that he is dealing with. If he can substantiate his conclusion, the paper could be published. The paper should be referred to a physical chemist. [Published in Proceedings of the Royal Society B, 1936]. Endorsed on verso as received 28 December 1934. December 1934