Beschreibung:

(Charles, naturalist, geologist and the originator of the theory of natural selection, 1809-82).- Darwin (Emma, wife of Charles Darwin, 1808-96) Letter signed by Darwin "Ch Darwin" to "My dear Sir" [John Jenner Weir] text of letter in Emma Darwin's hand, 2pp., 8vo, Down, Beckenham, Kent, 22nd May 1873, thanking him for an account of the "pig case... you ought to persuade your informant to send an account with full particulars to Nature", and an observation he has made on birds' nests, "do you not think that the same spot might prove attractive to birds which had had no intercommunication: I have observed facts with male humble-bees which cd be explained only on this principle", and congratulating him on having met John Stuart Mill, "I envy you the privilege of having talked to him familiarly", folds, browned. *** John Jenner Weir (1822-94), entomologist, ornithologist and civil servant.