ELLIS,MAX M <br/><br/>
A NEW DISCODRILID WORM FROM COLORADO 

 - GOVERMENT PRINTING OFFICE   london  1912 
 - 4P. :   ill ; 23 CM  
<br/><br/><label>Subjects--Topical Terms: </label><br/>A NEW DISCODRILID WORM FROM COLORADO<br/>2 C 15<br/>Science
<br/><br/><label>Universal Decimal Class. No.: </label>2  / C15