My dear Sir

I have taken a long time to thank you for your extremely kind present on the “Maladies” of the Silkworm.² But I was not able to read it until lately—and I did not wish to thank you until I had. I have found now quite a large number of facts very interesting to me with respect to my notions on Species.—³ I have been astonished at the variety of diseases to which the unfortunate caterpillars are subject—

The Gentleman who wished to translate my “Origin of Species” has failed in getting a publisher:—Bailliere, Masson & Hachette all rejected it with contempt⁴    It was foolish & presumptious in me, hoping to appear in a French dress; but the idea would not have entered my head had it not been suggested to me. It is a great loss— I must console myself with the German Edition which Prof. Bronn is bringing out.

I sincerely hope that your health is quite reestablished, and with my sincere thanks for all your kindness. I remain with much respect, | Yours sincerely, | C. Darwin.