77/183 I am thinking of a chapter on Man, as there has lately been so much said on Natural Selection in relation to man. I have not seen the Duke's (or Dukelet's? "The Reign of Law" (1867), by the late Duke of Argyll. See "Life and Letters," III., page 65.) P.S .-- Nature never made species mutually sterile by selection, nor will men. TO E.HACKEL.Down, January 8th [1867]. |