Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society to Professor Stanley Gardiner FRS 'In accordance with your request I return herewith the paper by Mr Gray, which I understand you wish to withdraw. Under the existing Standing Orders it is necessary that the paper or a certified copy thereof should remain in the possession of the Society; but in the circumstances you have stated the matter will be specially mentioned at the next meeting of the Committee of Papers.' 22 January 1915