LIST OF ILLUSTRATIONS 



PACE 



Rhea, or S. American Ostrich . . . Frontispiece 



White-banded Mocking-bird .... Title-page 



Coypti and young . . . , . . 12 



Carancho ...... To face 24 



Puma killed by Cow . . . . . 39 



Puma ....... To face 56 



Armadillo killing Snake ..... 72 



Wrestler Frog . . . . ... . 77 



Ceratophrys ornata ...... 80 



Didelphys azarse and young . . . . 102 



Pampa Sheep ....... 109 



Doe safe-guarding young . . . To face 110 



Skunk and Dog .... 123 



Ixodes ; before and after a Blood Diet . . . 142 



Firewood-gatherer and Bird-fly . . . . 147 



A Bee's Revenge ..... 165 



Mygale fusca, threatening . . . 191 



Loddigesia mirabilis ...... 215 



Crested Screamer ...... 224 



Some Woodhewevs' beaks . ... 239 



Ovenbird and Oven ..... To face 256 



Dance of Ypecaha Rails ....... 267 



Wing-display of Jacanas ..... 268 



Dance of Spur-winged Lapwings . . . . 270 



White-banded Mocking-bird ..... 277 



Vizcachas . . . . . , \~. . . 290 



Sentinel Huanaco ..... 'To face 316 



Gaucho .-'... ... 350 



A Lost Humming-bird ... . . . * 367 



Small Spine-tail and Nest . . . . . 371 



