1848.
March 20th: Finished Scientific Instructions in Geology for the Admiralty Manual. Working at Cirripedes. Paper on Erratic Boulders.
1849.
Health especially bad. Working at Cirripedes.
March-June: Water-cure at Malvern.
1850.
Working at Cirripedes. Published Monographs of Recent and Fossil Lepadidae.
1852.
Working at Cirripedes.
1853.
November 30th: "Royal Medal given to me."
1854.
Published Monographs on Recent and on Fossil Balanidae and Verrucidae.
September 9th: Finished packing up all my Cirripedes. "Began sorting notes for Species Theory."
1855.
March-April: Experiments on the effect of salt water on seeds. Papers on Icebergs and on Vitality of Seeds.
1856.
May 14th: "Began, by Lyell"s advice, writing Species Sketch" (described in "Life and Letters" as the "Unfinished Book").
December 16th: Finished Chapter III. Paper read to Linnean Society, On Sea-water and the Germination of Seeds.
1857.
September 29th: Finished Chapters VII. and VIII.
September 30th to December 29th: Working on Hybridism. Paper on the Agency of Bees in the Fertilisation of Papilionaceous Flowers.
1858.
March 9th: "Finished Instinct chapter."
June 18th: Received Mr. Wallace"s sketch of his evolutionary theory.
July 1st: Joint paper of Darwin and Wallace read at the Linnean Society.
July 20th to July 27th: "Began Abstract of Species book," i.e., the "Origin of Species," at Sandown, I.W. Paper on Bees and Fertilisation of Flowers.
1859.
May 25th: Began proof-sheets of the "Origin of Species."
November 24th: Publication of the "Origin": 1250 copies printed.
October 2nd to December 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 b.u.t.terflies. 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.