Copy letter from Robert William Frederick Harrison, to J Hall, "African Review" Offices, 9 & 10 Fenchurch St., [?] In reply to letter, the report on the Tsetse Fly disease is not the report of the Royal Society's committee on that subject, but an ad interim report to that Committee by the investigators entrusted by the Committee with part of the enquiry. This has been published in the 'Proceedings [of the Royal Society]', volume LXIV, no. 404 and can be obtained from Messrs Harrison & Sons. January 1899