Orr, Robert Thomas <br/><br/>
Vertebrate biology. 

 - Philadelphia  Saunders  1961. 
 - 400 p.  illus.  25 cm. 
<br/><br/> 920313 
<br/><br/>Includes bibliography. 
<br/><br/><label>LCCN: </label>61006733 /L/r85 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vertebrates
<br/><br/><label>LC Class. No.: </label>QL605  / .O7 
<br/><br/><label>Dewey Class. No.: </label>596