Referee's report by Edmund Taylor Whittaker, on a paper 'A critical study of spectral series.— Part I. The alkalies H and He' by William Mitchinson Hicks Sectional committee: Physics and chemistry Recommended for publication in Philosophical Transactions, although the typewritten version has many errors , but the referee expects these will be corrected when the paper is published. [Published in Philosophical Transactions A, 1911]. Endorsed on verso as received 21 December 1909. [December 1909]