Principles of zoology / 
Willis H. Johnson ... (et al.). 
 - 2nd ed. 
 - New York, Holt. :  Rinehart and Winston,  1977. 
 - 747 p. :  ill. ;  28 cm. 
<br/><br/><label>ISBN: </label>0030120462 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology.