The Life and Letters of George John Romanes, M.A., LL.D., F.R.S.Note 62 — Chapter III · 1881-1890 LONDON—GEANIES (continued 2)Reading editionp.s.—physiological selection; s.s.—sexual selection; n.s.—natural selection.◇Copy noteReturn to CHAPTER III 1881-1890 LONDON—GEANIES (continued 2)