Hegner, R.W <br/><br/>
Invertebrate zoology/ 

 - 2nd ed 
 - New york  Macmilliam  1968 
 - xvii,619p; ill  pbk 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology
<br/><br/><label>LC Class. No.: </label>QL362.H4 1968