[59] Prof. Whitney, p. 309.
[60] Phys. and Pathol. of Mind. Dr. Maudsley. 3d ed., 1868, p. 199.
[61] Nature, January 6, 1870, p. 257.
[62] Problems i. 21.
[63] Johnson's Cyc. Article "Faith." C. P. Krauth.
[64] Darwin's Descent of Man, p. 117.
[65] See Descent of Man, p. 96.
[66] See Tyndall's Belfast Address.
[67] Purgatory of Suicides.
[68] Thoughts on Atheism, p. 4.