CHAPTER 2.XI.--Botany, 1863-1881.
2.XI.I. Miscellaneous, 1863-1866.
2.XI.II. Correspondence with Fritz Muller, 1865-1881.
2.XI.III. Miscellaneous, 1868-1881.

CHAPTER 2.XII.--Vivisection and Miscellaneous Subjects, 1867-1882.
2.XII.I. Vivisection, 1875-1882.
2.XII.II. Miscellaneous Subjects, 1867-1882.


ILLUSTRATIONS IN VOLUME II.

CHARLES DARWIN, 1881. From a photograph by Elliott & Fry.

ALFRED RUSSEL WALLACE, 1878. From a photograph by Maull & Fox.

GEORGE J. ROMANES, 1891. From a photograph by Elliott & Fry. (Romanes'
"Life.")

CHARLES LYELL. From a photograph by Maull & Fox. (Lyell's "Life," Volume
II.)

CHARLES DARWIN, 1854 (?). From a photograph by Maull & Fox.

FRITZ MULLER. From a photograph.


FACSIMILES OF SKETCHES IN THE LETTERS.