More Letters of Charles Darwin Volume I Part 3

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 Verbasc.u.m.

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-flowering Plants.

1870.

Working at the "Descent of Man." Paper on the Pampas Woodp.e.c.k.e.r.

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.