Thayer, Gerald <br/><br/>
Concealing - Coloration in the Animal Kingdom 
 An exposition of the Laws of Disguise through color and pattern : being a summary of Abbott H. Thayer's Discoveries  

 - New York  The Macmillan CO.  1909 
 - xix, 260p. : ill ; 28  cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Birds
<br/><br/><label>Universal Decimal Class. No.: </label>13  / J2