LIST OF ILLUSTRATIONS 



Spub-wing Lapwing, Vanellus cayennemis, Gmelin . Frontispiece 

 One-third natural size See p. 178 



Pampas WooDPECKEH, Cotoptes a^rico/a, Malherbe . facing page 11 

 One-third natural size 



BumowiNG-OwL, Speotyto canicularia, Molitia . „ 36 



One-fourth natural size 



Red-backed Buzzard, Buteo erythronotas, King . „ 47 



One-fourth natural size 



Carancho Carrion-Hawk, Polyborus tharus, Molina „ 75 



One-fifth natural size 



Whistling Heron, Ardea sibilatrix, Temminck . „ 103 



One-fourth natural size 



Black-faced Ibis, Theristicus caudatus, Boddaert . „ 121 



One-fifth natural size 



Braziuan Teal, Querquedula brasiliensis, Gmelin . „ 147 



One-third natural size 



Common Jacana, Parra jacana, Linnaeus . . „ 174 



Two-fifths natural size 



Slender-billed Plover, Oreophilus raficollis, Wagler „ 189 



Three-fifths natural size 



Martineta Tinamu, Calodromas elegans, d'Orbigny 



et Geofiroy „ 338 



One-third natural sice 



IX 



