[Footnote 82: _Ibid._ Vol. II. p. 109.]

[Footnote 83: _Ibid._ Vol. III. p. 112.]

[Footnote 84: _Ibid._ Vol. I. pp. 304-317.]

[Footnote 85: _Life and Letters_, Vol. I. p. 309.]

[Footnote 86: _Loc. cit._ p. 313.]

[Footnote 87: _Ibid._ Vol. II. p. 310.]

[Footnote 88: _Ibid._ Vol. III. p. 236. ["C. Ridley," Mr. Francis
Darwin points out to me, should be H. N. Ridley. A.C.S.]]

[Footnote 89: _Descent of Man_ (Popular Edit., 1901), fig. 1, p. 14.]

[Footnote 90: G. Schwalbe, "Das Darwin'sche Spitzohr beim menschlichen
Embryo," _Anatom. Anzeiger_, 1889, pp. 176-189, and other papers.]

[Footnote 91: _Descent of Man_, fig. 3, p. 24.]

[Footnote 92: _Descent of man_, p. 6.]

[Footnote 93: _Ibid._ p. 54.]

[Footnote 94: _Descent of Man_, p. 92.]

[Footnote 95: _Ibid._ p. 100.]

[Footnote 96: _Life and letters_, Vol. II. p. 161, June 22, 1859.]

[Footnote 97: _Ibid._ Vol. III. p. 15, March 17, 1863.]

[Footnote 98: _Descent of Man_, p. 132.]

[Footnote 99: _Ibid._ pp. 136, 137.]

[Footnote 100: _Ibid._ p. 143.]

[Footnote 101: _Ibid._ p. 193.]

[Footnote 102: _Descent of Man_, p. 231.]

[Footnote 103: _Descent of Man_, p. 308.]

[Footnote 104: _Life and Letters_, Vol. II. p. 23.]

[Footnote 105: _Loc. cit._ p. 39.]

[Footnote 106: _Loc. cit._ (1856), p. 82.]

[Footnote 107: _Ibid._ Vol. III p. 159.]

[Footnote 108: _Descent of Man_, p. 924.]

[Footnote 109: "Die Hautfarbe des Menschen," _Mitteilungen der
Anthropologischen Gessellschaft in Wien_, Vol. XXXIV. pp. 331-352.]

[Footnote 110: _Ibid._ p. 947.]

[Footnote 111: _Descent of Man_, p. 240.]

[Footnote 112: "Das geologische Alter der Pithecanthropus-Schichten
bei Trinil, Ost-Java." _Neues Jahrb. f. Mineralogie_. Festband, 1907.]

[Footnote 113: _Descent of Man_, p. 82.]

[Footnote 114: "La race humaine de Neanderthal ou de Canstatt en
Belgique." _Arch. de Biologie_, VII. 1887.]

[Footnote 115: Gorjanovic-Kramberger. _Der diluviale Mensch van
Krapina in Kroatien_, 1906.]

[Footnote 116: _Studien zur Vorgeschichte des Menschen_, 1906, pp. 154
ff.]

[Footnote 117: "On the cranial and facial characters of the Neandertal
Race." _Trans. R. Soc._ London, vol. 199, 1908, p. 281.]

[Footnote 118: Since this essay was written Schoetensack has
discovered near Heidelberg and briefly described an exceedingly
interesting lower jaw from rocks between the Pliocene and Diluvial
beds. This exhibits interesting differences from the forms of lo