Author: Barrett, T. J.
Title: Harnessing the Earth-Worm.
Description: London 1949. 8vo. 182 pp.; seven plates. Cloth with dustjacket. = Interesting, seldom-seen practical inquiry on the action of Earthworm for biological soilbuilding without using chemicals. We added: Darwin on Humus and the Earthworm, the formation of vegetable mould, through action of worms with observation by Charles Darwin, with a new introduction by A. Howard (1945). 153 pp., 15 figs. Cloth also with dustjacket. Both in very good condition.

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