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.