[82] Ibid. Vol. II. p. 109.
[83] Ibid. Vol. III. p. 112.
[84] Ibid. Vol. I. pp. 304-317.
[85] Life and Letters, Vol. I. p. 309.
[86] Loc. cit. p. 313.
[87] Ibid. Vol. II. p. 310.
[88] Ibid. Vol. III. p. 236. ["C. Ridley," Mr. Francis Darwin points out to me, should be H. N. Ridley. A.C.S.]
[89] Descent of Man (Popular Edit., 1901), fig. 1, p. 14.
[90] G. Schwalbe, "Das Darwin'sche Spitzohr beim menschlichen Embryo," Anatom. Anzeiger, 1889, pp. 176-189, and other papers.
[91] Descent of Man, fig. 3, p. 24.