An Interactive Annotated World Bibliography of Printed and Digital Works in the History of Medicine and the Life Sciences from Circa 2000 BCE to 2024 by Fielding H. Garrison (1870-1935), Leslie T. Morton (1907-2004), and Jeremy M. Norman (1945- ) Traditionally Known as “Garrison-Morton”
Permanent Link for Entry #11091
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The formation of vegetable mould through the action of worms, with observations on their habits.London: John Murray, 1881.Darwin's last book, published only 6 months before his death, but reporting on a subject that he had studied for more than 50 years. "He showed the services performed by earthworms in eating leaves and grinding earth in their gizzards and turning it into fertile soil, which they constantly sift and turn over down to a depth of twenty inches form the surface, thereby aerating it. He calculating from the weight of worm-casting that on one acre in one year's time eighteen tons of soil are brought up to the surface by worms. This was a pioneer study of quantaitative ecology" (Gavin de Beer in D.S.B.) Subjects: BIOLOGY › Ecology / Environment Permalink: www.historyofmedicine.com/id/11091 |