ASHWORTH JH <br/><br/>
THE ANNELIDS OF THE FAMILY ARENICOLAE OF NORTH AND SOUND AMERICA INCLUDING AN ACCUNT OF ARENICOLA GLACIALIS MURDCH  

 - GOVERMENT PRINTING OFFICE   london  1910 
 - 19P. :   ill ; 23 CM  
<br/><br/><label>Subjects--Topical Terms: </label><br/>2 C 15<br/>Science
<br/><br/><label>Universal Decimal Class. No.: </label>2  / C15