Norton to Ruskin, September 9, 1868, Letters of Charles Eliot Norton, vol. I, p. 309.
Great Naturalists, p. 57.
Reminiscences of Charles Darwin, in Harper’s Magazine, December, 1909, vol. CXX, p. 13.
To Francis Darwin, November 11, 1887, The Life and Letters of Leslie Stephen, by Frederic William Maitland, p. 393.
To Norton, Life of Stephen as above, p. 300.
To Falconer, November 8, 1864, More Letters, vol. I, p. 257.
Norton, Diary, April 12, 1873, in Letters of Charles Eliot Norton, vol. I, p. 477.
Kingsley to Lubbock, in Life of Sir John Lubbock, Lord Avebury, by Horace G. Hutchinson, vol. I, p. 92.
Grant Duff, Diary, 1873-1881, December 15, 1880, vol. II, p. 283.
July, 1860, More Letters, vol. I, p. 159.
September 5, 1862, More Letters, vol. I, p. 205.
To Hooker, April 23, 1861, More Letters, vol. I, p. 185.
To Fox, March 13, 1837, Life, vol. I, p. 249.
Life, vol. I, p. 42.
Life, vol. I, p. 28.
Life, vol. I, p. 49.
Life, vol. I, p. 89.
Life, vol. I, p. 30.
Life, vol. I, p. 96.
Answer to questionnaire, Life, vol. II, p. 415.
To Mrs. Darwin, March, 1842, Family Letters, vol. II, p. 69.
To Fox, March 24, 1859, Life, vol. I, p. 506.
January 28, 1876, Family Letters, vol. II, p. 221.
To Hooker, September 1, 1859, Life, vol. I, p. 518.
Life, vol. I, p. 85.
To Falconer, November 14, 1862, More Letters, vol. I, p. 211.
To Hooker, May 29, 1854, More Letters, vol. I, p. 79.
Life, vol. I, p. 243.
Life, vol. I, p. 197.
To Hooker, November, 1863, Life, vol. II, p. 186.
To Henslow, May 6, 1849, More Letters, vol. I, p. 66.
Life, vol. I, p. 96.
Diary, 1892-1895, August 6, 1892, vol. I, p. 80.
Emma Wedgwood to Madame Sismondi, November 15, 1838, Family Letters, vol. II, p. 7.
To Hooker, April 10, 1846, More Letters, vol. I, p. 416.
To Murray, 1859, Life, vol. I, p. 532.
Life, vol. I, p. 99.
Life, vol. I, p. 98.
Life, vol. I, p. 99.
Reminiscences, in Harper’s Magazine, December, 1909, vol. CXX, p. 17.
Grant Duff, Diary, 1896-1901, vol. I, p. 307.
Life, vol. I, p. 118.
Life, vol. I, p. 115.
Life, vol. I, p. 28.
November, 1855, More Letters, vol. I, p. 87.
To Hooker, September 27, 1865, Life, vol. II, p. 223.
Family Letters, vol. II, p. 118.
January 20, 1839, More Letters, vol. I, p. 29.
Ibid.
Family Letters, vol. II, p. 48.
September 5, 1862, More Letters, vol. I, p. 204.
More Letters, vol. I, p. 30.
Ibid.
Life, vol. I, p. 135.
To Madame Sismondi, February, 1840, Family Letters, vol. II, p. 51.
Life, vol. I, p. 109.
Family Letters, vol. II, p. 253.
To Gray, July 23, 1862, More Letters, vol. I, p. 202.
Diary of Thomas Moore, August 29, 1822, vol. III, p. 367.
Life, vol. I, p. 112.
Life, p. 111.
Life, vol. I, p. 115.
Life, vol. I, p. 10.
Life, vol. I, p. 76.
Family Letters, vol. II, p. 44.
December 18, 1861, More Letters, vol. II, p. 281.
To Wallace, February 27, 1868, More Letters, vol. I, p. 289.
Life, vol. I, p. 115.
Krause, p. 29.
Life, vol. I, p. 31.
Life, vol. I, p. 119.
Life of Sir John Lubbock, Lord Avebury, by Horace G. Hutchinson, vol. I, p. 40.
To Hooker, July 28, 1859, More Letters, vol. I, p. 126.
To Hooker, April 14, 1855, Life, vol. I, p. 415.
To Hooker, November 5, 1853, Life, vol. I, p. 356.
September 11, 1859, Life, vol. I, p. 520.
To Hooker, May 25, 1870, Life, vol. II, p. 306.
To Müller, June 21, 1881, More Letters, vol. II, p. 369.
Huxley to Mivart, November 12, 1885, Life of Huxley, vol. II, p. 122.
To Hooker, July 2, 1860, Life, vol. II, p. 116.
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