Referee's report by Arthur Stanley Eddington, on a paper 'On Gauss' theorem and the concept of mass in general relativity' by Edmund Taylor Whittaker Sectional Committee: Zoology Recommended for publication in the 'Proceedings of the Royal Society of London'. The paper is interesting and useful. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on verso as received 26 January 1935. [January 1935]