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A New View of Darwinism

I AM much obliged to Mr. Howorth¹ for his courteous expressions towards me in the letter in your last number. If he will be

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so good as to look at p. 111 and p. 148, vol. ii. of my "Variation of Animals and Plants under Domestication," he will find a good many facts and a discussion on the fertility and sterility of organisms from increased food and other causes. He will see my reasons for disagreeing with Mr. Doubleday,² whose work I carefully read many years ago.

CHARLES DARWIN

Down, Beckenham, Kent, July, 1

¹ Henry Hoyle Howorth (1842-1923), geologist and naturalist. Howorth 1871a.

² Henry Doubleday (1808-1875), entomologist, ornithologist and Quaker. Doubleday 1842.

[A longer letter by A. R. Wallace follows Darwin's on the same topic. It can be read in the image view.] Howorth replied to both letters in Howarth 1871b.