Thayer, Abbott Handerson, 1849-1921.Roosevelt, Theodore, 1858-1919. Revealing and concealing coloration in birds and mammals.2005-10-062005-10-061912http://hdl.handle.net/2246/1404p. 313-321 : ill ; 24 cm.3592931 bytesapplication/pdfen-USQH1 .A4 vol.31, art.23, 1912Protective coloration (Biology)Camouflage (Biology)Animals -- Color.Animal behavior.Roosevelt, Theodore, -- 1858-1919.Concealing coloration : an answer to Theodore Roosevelt. Bulletin of the AMNH ; v. 31, article 23.Concealing coloration, an answer to Theodore Roosevelttext