Charles Darwin an Ernst Haeckel, Down, 21. November 
DOWN. | BROMLEY. | KENT. S. E. | Nov. 21st
I write merely two or three lines to say how pleased I am that you would like to have my Book on the Balanidæ , which I despatched about a fortnight since by Messrs Williams & Norgate. I thank you for your most kind letter of Oct. 26th, with || its most interesting news on the opinions of Leuckart, Schultze, Braun & on the expected work of Gegenbaur. I am glad to hear that you are making progress with your own general work. –
Fritz Müller sent me his book, but he writes such difficult Germana that I can hardly read a word of it; but I have employed a person to translate it for me.
I thank you very sincerely for your paper on Medusae & your Speech on the modification of Species; I have not yet had time & strength to read either, but assuredly I will before very long. –
With cordial good wishes
My dear Sir
a eingef.: German