Thanks for HHV’s interest in the census [CD’s plan to add questions on consanguineous marriage to the census] on which CD hopes to persuade Sir J. Lubbock to speak.
Dear Mr Vivian
I feel greatly obliged to you for the kind interest which you haveshewn on the subject of the census, which interests me greatly.I have no doubt that your personal communication with Mr Brucewill have far more influence than any memorial or any thing thatI cd do.f2
With my sincere thanks I beg leave to remain | yours faithfully |Charles Darwin
P.S. I will endeavour to persuade Sir J. Lubbockf3 to speak on thesubject.