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: