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.