Burch, J. B.  1929- <br/><br/>
How to know the eastern land snails ;  pictured-keys for determining the land snails of the United States occurring east of the Rocky Mountain Divide. 

 - 214 pages :  illustrations ;  22 cm. 
 - Pictured-key nature series .
 - Pictured key nature series. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gastropoda--United States.
<br/><br/><label>LC Class. No.: </label>QL430.4  / .B87 
<br/><br/><label>Dewey Class. No.: </label>594.3