From E. H. von Baumhauer   19 May 1877

Dear Sir!

It is my pleasing duty to inform You that the Dutch Society of Sciences at Haarlem (the eldest Scientific Society in the Netherlands erected 1752) today in general meeting has chosen You unanimously to its foreign member, in appreciation of Your great merits in different branches of sciences.¹

This nomination, to which I add my sincere congratulations, affords me the great pleasure to enter in scientific relation with You, I therefore avail myself of this opportunity to express to you my high esteem and regards | Yours truly | D^r. E. H. von Baumhauer

To Dr Charles R. Darwin | Down. Beckenham | Kent