CHAPTER IX 



PACE 



Picture-patterns on counter-shaded birds, continued. Shore-birds — Sandpipers, Plovers, etc. 



Beech-sand-, pebble- and grass-picturing patterns. Generalizations and comparisons . 52 



CHAPTER X 



Picture-patterns on counter-shaded birds, continued. Reed-pattems, etc., of Bitterns. Other 



Herons: water-colors and patterns 56 



CHAPTER XI 



Background-picturing on counter-shaded birds, continued. Marsh-birds: Water-birds (Galli- 

 nules, Rails, Ducks, etc.): detailed analysis of the Wood Duck's consummate picture- 

 patterns 59 



CHAPTER XII 



Background-picturing on counter-shaded birds, continued. Birds of the ocean. Sky- and 



water-matching costumes. Gulls, Terns, Gannets, etc. 72 



CHAPTER XIII 



Birds, etc. The inherent 'obliterative' power of markings. 'Ruptive' and 'secant' patterns, 



etc 77 



CHAPTER XIV 



Birds, etc. Special functions of markings. Circle-banded flight-feathers of Hawks and Owls. 



Eye-masking patterns: eye-blazoning (?) patterns. The coloration of nestling birds . 80 



CHAPTER XV 



Birds. Masking of bill and feet for offensive purposes. The "pantaloons" of Hawks and Owls. 

 Gaudy bills and feet of Water-birds: red and yellow on many water-animals: Belt cited. 

 Jacanas, Anhingas, Herons, etc. 84 



CHAPTER XVI 



Birds, etc. The manifold obliterative power of iridescence. Changeable colors in general: 

 their part in water-picturing costumes, etc.; (Peacock), Jacamar, the "speculum" of 

 Ducks, 'jewel-spots,' etc - 87 



CHAPTER XVII 



Birds, etc. Appendages, and their part in 'obliteration': Resplendent Trogon: Pheasants and 

 their long, transversely-banded tails: consummate obliterative equipment of the Birds-of- 

 Paradise . 95 



CHAPTER XVIII 



Birds: miscellany. "Mimicry" (vs. 'obliteration'). The gorgeous head-gear of Humming- 

 birds not mimetic; its obliterative functions, etc. Sexual differences of costume . . 100 



xii 



