My dear Sir

Very many thanks for your long & interesting letter.² I hope some time you will be able to utilise all the close thought you have applied to the subject, by bringing in your ideas into one of your essays.—

I write now to say how very glad I shall be to see you here.— Any day next week except Saturday would suit us perfectly well. But if you are going to stay sometime longer in London, I would suggest any day in week beginning on Sept. 9^th— I make this suggestion solely on account of my son George whom you saw in America & who w^d like to meet you here, & who will be away from home this coming week.—³

I trust that you will come & dine & sleep here; for the afternoon from 2^o to 4^o is always my bad time when my head fails me; & indeed at no time can I converse long with anyone.— Your best plan will be to come by the train which leaves Charing Cross at 5^o 5’ for Orpington Station (on the S.E. R^y.)⁴ which is 4 miles from this house, & then you can return next morning to London.— We sh^d. thus see each other much more pleasantly than by a mere call, as you propose.—

My dear Sir | yours sincerely | Ch. Darwin

Please let me hear when you will come.—