Referee's report by Charles Drummond Ellis, on a paper 'Helium-ratios of rocks and minerals from the diamond pipes of South Africa' by Arthur Holmes and Friedrich Adolf Paneth Sectional Committee: Physics Recommended for publication in the 'Proceedings of the Royal Society of London'. Was only asked to report on the physical parts of the paper, which are recommended for publication. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on verso as received 7 December 1935. [December 1935]