About the Cover.  [electronic resource] 

 -  The Biological bulletin  Jun 2007 
 - ii p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1939-8697 
<br/><br/><label>Standard No.: </label>10.1086/BBLv212n3cover  doi