INDEX 
Agelzus flavus, 116 
-——— ruficapillus, 119 
—— thilius, 115 
Alectrurus risorius, 151 
— tricolor, 150 
Alonzo Garcia, 197 
Amblyrhamphus holosericeus, 118 
Anzretes parulus, 172 
Anjelito de las Animas, 145 
Anthus correndera, 20 
—— furcatus, 23 
Afiumbi, 224 
Anumbius acuticaudatus, 223 
Aphobus chopi, 132 
Argentine Blackbird, 5 
— Cow-bird, 69 
Ashy-black Tyrant, 154 
Bank Martin, 38 
Bay-winged Cow-bird, 112 
Bellicose Tyrant, 187 
Bienteveo Tyrant, 176 
Black-and-Chestnut Warbling 
Finch, 49 
Black - and - Yellow Crested 
Tyrant, 186 
Black - and - Yellow Throated 
Spine-Tail, 214 
Black-crowned Tyrant, 141 
Black-headed Reed-Wren, 20 
—— Siskin, 59 
— Thrush, 5 
Black Tyrant, 155 
Boyero, 118 
Cabeza amarilla, 116 
Cachalote, 231 
Cachalote, Laughing, 233 
—— Rufous, 231 
Cachila Pipit, 20 
Calandria, 5 
—— blanca, 12 
——— de las tres colas, 11 
—— Mocking-bird, 5 
Caminante, 196 
Cardinal Finch, 47 
—— Yellow, 51 
Casera, 197 
Caserita, 195 
Centrites niger, 165 
Chat-like Tyrant, 148 
Chestnut-shouldered 
130 
Chicli Spine-tail, 210 
Chingolo Song-Sparrow, 54 
Chin-spotted Tyrant, 163 
Chocolate Tyrant, 135 
Chopi, 132 
Chrysomitris icterica, 59 
Churinche, 182 
Cinclodes fuscus, 204 
Cistothorus platensis, 19 
Climbing Wood-hewer, 235 
Cnipolegus anthracinus, 154 
—— hudsoni, 155 
Cock-tailed Tyrant, 150 
Colegial, 159 
Common Swallow, 34 
Cow-bird, 69 
—— Argentine or Common, 69-96 
—— Bay-winged, 112 
—— Screaming, 96 
Curved-bill Rush-bird, 227 
Cyanotis azarz, 173 
Hang-nest, 
241 
