Darwin, Charles, 1809-1882.  Darwin, Charles, 1809-1882. <br/><br/>
Darwin on humus and the earthworm;  the formation of vegetable mould through the action of worms with observations on their habits. 
With an introd. by Sir Albert Howard. 
 - London,  Faber and Faber  [1966] 
<br/><br/> First published in 1881 under title: The formation of vegetable mould through the action of worms.  At head of title: Darwin on humus and the earthworm.  First published 1881 by John Murray. 
<br/><br/><label>LCCN: </label>66009240 //r893 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earthworms.<br/>Humus.<br/>Soil formation.
<br/><br/><label>LC Class. No.: </label>QL391 
<br/><br/><label>Dewey Class. No.: </label>595.16