Copy letter from Robert William Frederick Harrison, to Professor Thomas Clifford Allbutt, Fellow of the Royal Society Encloses the following documents which have been circulated among the members of the Malaria Committee [no enclosures present]: letter from Colonial Office, 14th December, enclosing a suggestion from Dr Prout; letter from Colonial Office, 13th January, enclosing a copy letter from Dr Daniels concerning the destruction of mosquitoes and a copy letter to the Foreign Office on the same subject; observations by Dr Daniels on the common Anopheles of British Central Africa. Asks for these items to be returned at Albutt's early convenience, together with any remarks. 23 January 1900