Referee's report by Charles Galton Darwin, on a paper 'A theory of the optical and electrical properties of liquids' by Chandrasekhara Venkata Raman and Kariamanikkam Srinivasa Krishnan Sectional Committee: Physics Recommended for publication in the 'Proceedings of the Royal Society of London'. One part was more difficult to understand, and if the authors were closer would suggest they clarify this part, but as this would mean sending the paper to India, thinks this part can stand. [Published in the 'Proceedings of the Royal Society of London' A, 1928] Endorsed on verso as received 29 October 1927. [October 1927]