Charles Darwin Letters

[Letter, Charles R. Darwin to John Burdon-Sanderson, February 10, 1875] Darwin, Charles, 1809-1882


Charles Darwin, "Down" to John Burdon-Sanderson. Asks about the digestion of phosphates in animals; has written to Huxley suggesting that physiologists and biologists petition for a reasonable act on vivisection. A.L.S. 1 p.

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