My dear Sir
I am much obliged for your note which shall be forwarded to Sir C. Lyell.— The fact seems very important; & at last, I, for one, for ever & ever give up the marine theory; but I do it with a groan.—2
My dear Sir | Yours sincerely | C. Darwin
Please cite as “DCP-LETT-3487G,” in Ɛpsilon: The Charles Darwin Collection accessed on