Darwin

by Gamaliel Bradford

[4] Portraits Littéraires, vol. III, p. 546.

[5] Expression, p. 80.

[6] Thoreau, Journal, vol. VII, p. 46.

[7] Gray, to Darwin, May 18, 1862, Gray, Letters, vol. II, p. 481.

[8] Great Naturalists, p. 51.

[9] More Letters, vol. I, p. 72.

[10] Life, vol. I, p. 83.

[11] To Farrar, November 26, 1868, Life, vol. II, p. 453.

[12] To Hooker, 1867, More Letters, vol. II, p. 6.

[13] To Lyell, June 1, 1867, Life, vol. II, p. 248.