Referee's report by John Newport Langley, on a paper 'The properties of the arterial and venous walls' by J A MacWilliam Sectional Committee: Physiology Not recommended for publication in Philosophical Transactions. He has no modifications to suggest, here and there the paper might be abbreviated. All the illustrations might be reproduced. The paper represents sound, useful and intelligent work, but does not appear to contain anything strikingly new or strikingly important. [Published in Proceedings of the Royal Society, 1901]. Endorsed on verso as received 26 November 1901. November 1901