Charles Darwin an Ernst Haeckel, Dorn, 11. Januar 
Down, | Beckenham, Kent. | Railway Station | Orpington. S. E. R.
My dear Haeckel
I have received your very kind present of Hellwald. I had no idea that it was so large a book, otherwise I should have scrupled in accepting your kindness. With cordial thanks
Yours very sincerely