owering Plants.

1870.

Working at the "Descent of Man." Paper on the Pampas Woodpecker.

1871.

January 17th: Began the "Expression of the Emotions."

February 24th: "Descent of Man" published (2500 copies).

April 27th: Finished the rough copy of "Expression."

June 18th: Began Edition VI. of "Origin." Paper on the Fertilisation of
Leschenaultia.

1872.

January 10th: Finished proofs of Edition VI. of the "Origin," and "again
rewriting 'Expression.'"

August 22nd: Finished last proofs of "Expression."

August 23rd: Began working at Drosera.

November: "Expression" published (7000 copies, and 2000 more printed at
the end of the year.)

November 8th: "At Murray's sale 5267 copies sold to London booksellers."

1873.

January: Correcting the Climbing Plants paper for publication as a book.

February 3rd: At work on "Cross-fertilisation."

February to September: Contributions to "Nature."

June 14th: "Began Drosera again."

November 20th: Began "Descent of Man," Edition II.

1874.

"Descent of Man," Edition II, in one volume, published (Preface dated
September). "Coral Reefs," Edition II., published.

April 1st: Began "Insectivorous Plants."

February to May: Contributed notes to "Nature."

1875.

July 2nd: "Insectivorous Plants" published (3000 copies); 2700 copies
sold immediately.

July 6th: "Correcting 2nd edition of 'Variation under Domestication.'"
It was published in the autumn.

September 1st (approximately): Began on "Cross and Self-Fertilisation."

November: Vivisection Commission.

1876.

May 5th: "Finished MS., first time over, of 'Cross and
Self-Fertilisation.'"

May to June: Correction of "Fertilisation of Orchids," Edition II. Wrote
his Autobiographical Sketch.

May and November: Contributions to "Nature."

August 19th: First proofs of "Cross and Self-Fertilisation."

November 10th: "Cross and Self-Fertilisation" published (1500 copies).

1877.

"All the early part of summer at work on 'Different Forms of Flowers.'"

July: Publication of "Different Forms of Flowers" (1250 copies). During
the rest of the year at work on the bloom on leaves, movements of
plants, "and a little on worms."

November: LL.D. at Cambridge. Second edition of "Fertilisation of
Orchids" published. Contributions to "Nature," "Gardeners' Chronicle,"
and "Mind."

1878.

The whole year at work on movements of plants, and on the bloom on
leaves.

May: Contribution to "Nature." Second