Ashworth, J.H. <br/><br/>
XI. Arenicola  : the lug-worm 

 - London  : Williams & Norgate  , 1904 
 - 118 p. 
 - L.M.B.C. Memoirs on typical British Marine Plants and Animals  v. 11 .
<br/><br/><label>Dewey Class. No.: </label>595.147 094 1