[27] Contemporary Review, Nov. 1871: ‘Mr. Darwin and his Critics.’

[28] Lay Sermons, p. 373.

[29] Philosophical Mag., iv. 13, p. 235.

[30] The Science of Thought, p. 616.

[31] Huxley’s Hume, p. 133.

[32] Journ. Roy. Micro. Soc. 1887, President’s Address.

[33] Darwin’s Origin of Species, 6th ed. p. 63.

[34] Origin of the Fittest, by E. D. Cope, p. 225.

[35] Man’s Place in Nature, Huxley, p. 157.

[36] Man’s Place in Nature, Huxley, p. 157.