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Earthworms
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The earthworm and the common housefly : in eight letters / by James Samuelson ; assisted by J. Braxton Hicks.
Samuelson, James, 1829-1919.Date: 1858
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The formation of vegetable mould, through the action of worms : with observations on their habits / by Charles Darwin.
Date: 1881- Books
An inaugural dissertation, entitled, Observations on the structure and habits of the Lumbricus terrestris; and a chemico-physiological enquiry on its respiration. Submitted to the examination of the Rev. John Andrews, Vice-Provost, the trustees and medical faculty of the University of Pennsylvania, for the degree of Doctor of Medicine, on the twenty-first day of April, 1806 / By Enoch A. Green, A.M.
Green, Enoch A.Date: [1806]- Books
The formation of vegetable mould : through the action of worms, with observations on their habits / [Charles Darwin].
Darwin, Charles, 1809-1882.Date: 1881
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The earthworm and the common housefly : in eight letters / by James Samuelson ; assisted by J. Braxton Hicks.
Samuelson, James, 1829-1919.Date: 1860