Bullough, William Sydney. <br/><br/>
Practical invertebrate anatomy. 

 - 2d ed. 
 - London :  St. Martin's Press,  1958. 
 - xiv, 483 p.  illus.  25 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrates--Anatomy.<br/>Invertebrates--anatomy and histology.<br/>Zoology--classification.