Thorpe, W. H.  1902- <br/><br/>
Learning and instinct in animals / 
by W.H. Thorpe. 
 - 2nd ed. 
 - Cambridge, Mass. :  Harvard University Press,  1963. 
 - x, 558 p. :  ill., map ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography : p. 474-524. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animal intelligence.