To Mr Folthorp of Smith, Elder & Co. [6 February 1840]1
12 Upper Gower St
Being unwell yesterday, I did not read your note.— But I will make up for lost time as quickly as I can, by at once sending off the M.S.—2 Please not to let it go from you.—till you hear or see me— The enclosed will serve as a specimen.— I wish to know the cost per thousand, words —I providing Paper.—3
Yours truly | Chas. Darwin
Sends MS [of Coral reefs?] to be copied.