Copy letter from Herbert Rix, to Alfred Tuckerman, 61 King Street, Newport, Rhode Island, USA 'Dear Sir, A letter from you undated, but which was received here last September has been twice brought before the Catalogue Committee of the Royal Society, and I am now directed on behalf of that Committee to decline with thanks the offer you have so kindly made of compiling a key to the Chemistry & Physics in the Catal. of Scientif. Papers ['Catalogue of Scientific Papers']. Yours truly Herbert Rix Asst Sec RS [Assistant Secretary, Royal Society]'. 8 April 1891