The Variation of Animals and Plants Under Domestication, Vol. I.
A large proportion of the book contains detailed information on the domestication of animals and plants but it also contains in Chapter XXVII a description of Darwin's theory of heredity which he called pangenesis.
More Books by Charles Darwin
On the Origin of Species
On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life
The Descent of Man
The Autobiography of Charles Darwin
The Voyage of the Beagle
The Expression of the Emotions in Man and Animals