THE 



LIFE AND LETTERS 



CHARLES DARWIN, 



AN AUTOBIOGRAPHICAL CHAPTER. 



EDITED BY HIS SON, 



FRANCIS DARWIN. 



IN THREE VOLUMES: VOL. II. 



SEVENTH THOUSAND REVISED. 



LONDON: 



JOHN MURRAY, ALBEMARLE STREET. 

 1888. 



All Right* Rtientd. 



