Copy letter from Herbert Rix, to Messrs Trübner & Company, 57 Ludgate Hill, E.C. Rix has examined their account sales for the Krakatoa Report to 31 December 1888 and finds it correct. The Royal Society would like a cheque for the 243 pounds, seven shillings and eight pence due to them. The Society Treasurer would appreciate half yearly accounts for this report. 18 March 1889