Hyman, Libbie Henrieta. <br/><br/>
The Invertibrates 
Volume II 
 - New York  Mcgraw Hill Book Company Inc  1951 
 - 550 
<br/><br/><label>Subjects--Personal Names: </label> Zoology 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology