Copy letter from Arthur William Rucker, to Professor Walter Noel Hartley, [Fellow of the Royal Society] With regards to the papers recently communicated by Hartley, in the opinion of the Committee the best course will be for Hartley to withdraw them. The papers comprise: 'The Action of Heat on the Absorption Spectra and Chemical Constitution of Saline Solutions. Part I', 'Part II, Cobalt Salts', 'Part III, On the Molecular Constitution and Dissociation Phenomena of Saline Solutions'. 1 December 1899