[[6]] Critiques and Addresses, pp. 305, 308.
[[7]] Life and Letters, I., p. 309.
[[8]] I., p. 314.
[[9]] Life and Letters, III., p. 189.
[[10]] Life and Letters of Romanes, pp. 88.
[[11]] Essay on "The Physical Basis of Life" (1868).
[[6]] Critiques and Addresses, pp. 305, 308.
[[7]] Life and Letters, I., p. 309.
[[8]] I., p. 314.
[[9]] Life and Letters, III., p. 189.
[[10]] Life and Letters of Romanes, pp. 88.
[[11]] Essay on "The Physical Basis of Life" (1868).