Son William is adapting to life and study in London. Dined with R. H. Inglis today and met African explorer J. H. Krapf, who discovered source of Nile. MBH will soon be member of Royal Institution. Please send copy of letter from F. M. Eardley-Wilmot to JH regarding admission to R.S.L. JH blundered in signing it. JH's note to W. H. C. Plowden was not worded correctly. Richard Jones is arranging lodging for JH's son William at Haileybury College.