Copy letter from Robert William Frederick Harrison, to Frederick Vincent Theobald, Wye Court, Wye, Sussex At the request of Professor Ray Lankester, Harrison sends the enclosed paper by Dr Daniels, on 'The Small Dark Anopheles in which Crescenta Develops' [not enclosed], for use in Theobald's catalogue of mosquitoes. Also encloses Lankester's letter requesting this action [not enclosed]. 10 January 1901