LIST OF ILLUSTRATIONS 



SPUR-WING LAPWING, Vanellus cayennensis, Gm. , ^Frontispiece 

 One-third natural size See p. 178 



PAMPAS WOODPECKER, Colaptes agricola, Malh. .facing page n 

 One-third natural size 



BURROWING-OWL, Speotyto cunicularia t Mol. 36 



One-fourth natural size 



RED-BACKED BUZZARD, Buteo erythronotus, King. . 47 



One-fourth natural size 



CARANCHO CARRION-HAWK, Polyborus tharus, Mol. . 75 



One-fifth natural size 



WHISTLING HERON, Ardea sibilatrix, Temm. . , 103 



One-fourth natural size 



BLACK-FACED IBIS, Theristicus caudatus, Bodd. . , 121 



One-fifth natural size 



BRAZILIAN TEAL, Querquedula brasiliensis, Gm. 147 



One-third natural size 



COMMON JACANA, Parra jacana, Linn. 174 



Two-fifths natural size 



SLENDER-BILLED PLOVER, Oreophilus ruficollis t Wagl. . 189 



Three-fifths natural size 



MARTINETA TINAMU, Calodromas elegans, d'Orb. et 



Geoffr 23 8 



One-third natural size 



