Third 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 Recommended for publication, if a physical chemist deems it to be suitable. The main points could have been made more concisely. [Published in Proceedings of the Royal Society B, 1936]. Endorsed on verso as received 1 January 1936. December 1935