LIST OF ILLUSTRATIONS. 



Pampas Grass : Indians on the look-out for strayed 



Horses Frontispiece 



Coypii 12 



Puma killed by Cow 39 



Puma attacking Jaguar To face 48 



Armadillo killing Snake 72 



Wrestler Frog 77 



Ceratrophrys ornata ........ 80 



Didelphys azarse and young 102 



Pampa Sheep 109 



Skunk and Dog 123 



Storm of Dragon-flies To face 132 



Ixodes ; before and after a blood diet . . ... 142 



Fire- wood gatherer and Bird-fly 147 



A Bee's Eevenge 165 



Mygale fusca, threatening .191 



Loddigesia Mirabilis . . . . . . . .215 



Crested Screamer 224 



Some Woodhewers' beaks 239 



Dance of Ypecaha Rails ' . 267 



Wing-display of Jacanas 268 



Dance of -Spur- winged Lapwings . . . . .270 

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



Vizcachas 290 



The Dying Huanaco To face 318 



Gaucho .... 350 



A lost Humming-bird . . . . . . .367 



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



