December 22nd:
Began the last chapter of "Variation under Domestication."

1867.

November 15th:
Finished revises of "Variation under Domestication."

December:
Began papers on Illegitimate Unions of Dimorphic and Trimorphic Plants, and
on Primula.

1868.

January 30th:
Publication of "Variation under Domestication."

February 4th:
Began work on Man.

February 10th:
New edition of "Variation under Domestication."
Read papers on Illegitimate Unions of Dimorphic and Trimorphic Plants, and
on Verbascum.

1869.

February 10th:
"Finished fifth edition of 'Origin'; has taken me forty-six days."