9th: At the water-cure establishment, Ilkley,
Yorkshire.

1860.

January 7th: Publication of Edition II. of "Origin" (3000 copies).

January 9th: "Looking over MS. on Variation." Paper on the Fertilisation
of British Orchids.

July and again in September: Made observations on Drosera. Paper on
Moths and Flowers. Publication of "A Naturalist's Voyage."

1861.

Up to July at work on "Variation under Domestication."

April 30th: Publication of Edition III. of "Origin" (2000 copies).

July to the end of year: At work on Orchids.

November: Primula paper read at Linnean Society. Papers on Pumilio and
on Fertilisation of Vinca.

1862.

May 15th: Orchid book published. Working at Variation. Paper on
Catasetum (Linnean Society). Contribution to Chapter III. of Jenyns'
Memoir of Henslow.

1863.

Working at "Variation under Domestication." Papers on Yellow Rain,
the Pampas, and on Cirripedes. A review of Bates' paper on Mimetic
Butterflies. Severe illness to the end of year.

1864.

Illness continued until April. Paper on Linum published by the Linnean
Society.

May 25th: Paper on Lythrum finished.

September 13th: Paper on Climbing Plants finished. Work on "Variation
under Domestication."

November 30th: Copley medal awarded to him.

1865.

January 1st: Continued at work on Variation until April 22nd. The work
was interrupted by illness until late in the autumn.

February: Read paper on Climbing Plants.

December 25th: Began again on Variation.

1866.

Continued work at "Variation under Domestication."

March 1st to May 10th: At work on Edition IV. of the "Origin." Published
June (1250 copies). Read paper on Cytisus scoparius to the Linnean
Society.

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."

Edition V. published in May.

Working at the "Descent of Man." Papers on the Fertilisation of Orchids,
and on the Fertilisation of Winter-fl