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The formation of vegetable mould through the action of worms : with observations on their habits / by Charles Darwin.
By: Darwin, Charles,
Edition: 6th thousand (corr.).
Publication info: London :J. Murray,1882.
Contributed by: MBLWHOI Library, Woods Hole
Subjects: Earthworms Humification
BHL Collections: MBLWHOI Library, Woods Hole
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