Letter 12353 Darwin, C. R. to Litchfield, H. E. (Darwin, H. E.) 11 [Dec 1879] Summary Add + Sends M. Guthrie's book [On Mr Spencer's formula of evolution (1879)], although HEL may not care to read it having seen Moulton's letter [12350]. Transcription The full text of this letter is not yet available online. Footnotes Add
