Copy letter from Robert William Frederick Harrison, to [Messrs Harrison & Sons] Has been obliged to send the sheets of Cash and Dunstan's paper to the authors to supply a missing reference which causes unavoidable delay in printing of this number of the 'Proceedings [of the Royal Society]'. In the meanwhile asks if it would involve serious further delay to set up in 'Proceedings [of the Royal Society] type, and print off for the same number, Professor [Edward Alfred] Minchin's report on the Tsetse Fly, now standing in proof in other type, occupying nine slips bearing the Messrs number 9656. 26 September 1905