T Jeffery Parker and  William A. Haswell <br/><br/>
Textbook of Zoology Vol.1 

 - 6th ed. 
 - London  Macmillan  1963 
 - 770 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology
<br/><br/><label>Dewey Class. No.: </label>590  PAR-T6.1