Engemann, Joseph G. <br/><br/>
Invertebrate zoology / 
Joseph G. Engemann, Robert W. Hegner. 
 - Third edition. 
 - xxi, 746 pages :  illustrations ;  26 cm. 
<br/><br/> In the 2d ed. Hegner's name appeared first on t.p. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>002333780X 
<br/><br/><label>LCCN: </label>80012063 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrates.
<br/><br/><label>LC Class. No.: </label>QL362  / .H4 1981 
<br/><br/><label>Dewey Class. No.: </label>592