Chapter 10

Honours bestowed on Darwin; his reception at Cambridge in 1877; portraits by Richmond and Collier; Haeckel's and De Candolle's descriptions of visits to Darwin; "The Formation of Vegetable Mould by Earthworms," 1881; the long series of experiments on which it was based; obligations of archaeologists to worms; gradual exhaustion in 1882; his death on April 19, 1882 146