Engemann, Joseph G. <br/><br/>
Invertebrate zoology / 
Joseph G. Engemann and Robert William Hegner. 
 - Third Edition 
 - New York :  Macmillan Publishing Company,  c1981 
 - XXI, 746 pages :  illustrations ;  26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/>1. Basic principles of invertebrate zoology -- 2. Protozoa -- 3. Phylum porifera -- 4. Phylum coelenterata -- 5. Phylum Platyhelminthes -- 6. Phylum aschelminthes -- 7. Minor phyla -- 8. Phylum annelida -- 9. Phylum mollusca -- 10. Phylum arthropoda. 
<br/><br/> This approach also provides a more flexible text with greater usefulness in both lectures and laboratory. 
<br/><br/><label>ISBN: </label>002333780x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INVERTEBRATES -- ZOOLOGY
<br/><br/><label>LC Class. No.: </label>QL 362 .E54 1981