Engemann, Joseph G. <br/><br/>
Invertebrate zoology / 
Joseph G. Engemann, Robert W. Hegner. 
 - 3d ed. 
 - New York :  London :  Macmillan ;  Collier Macmillan Publishers,  1981. 
 - 746 p. :  ill. ;  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>Subjects--Topical Terms: </label><br/>Invertebrates.
<br/><br/><label>LC Class. No.: </label>QL362  / .H4 1981