Darwin,Charles <br/><br/>
The formation of vegetable mould;through the action of worms with observations of their habits 
Charles Darwin 
 - London  John Murgsay  1881 
 - 326p.  19cm 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Index Terms: </label>Physiology Plant physiology Vegetation 
<br/><br/><label>Dewey Class. No.: </label>576.1165  / DAR