Hegner, Robert William, 1880-1942.  Hegner, Robert William, 1880-1942. <br/><br/>
Invertebrate zoology 
[by] Robert W. Hegner [and] Joseph G. Engemann. 
 - 2d ed. 
 - New York,  Macmillan  [1968] 
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>68010240 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrates.
<br/><br/><label>LC Class. No.: </label>QL362  / .H4 1968 
<br/><br/><label>Dewey Class. No.: </label>592