INDEX 
Agelzus flavus, 116 Cachalote, Laughing, 233 
—— ruficapillus, 119 —— Rufous, 231 
— thilius, 115 Cachila Pipit, 20 
Alectrurus risorius, 151 Calandria, 5 
— tricolor, 150 —— blanca, 12 
Alonzo Garcia, 197 —— de las tres colas, 11 
Amblyrhamphus holosericeus, 118 |—— Mocking-bird, 5 
Aneretes parulus, 172 Caminante, 196 
Anjelito de las 4nimas, 145 Cardinal Finch, 47 
Anthus correndera, 20 — Yellow, 51 
—— furcatus, 23 Casera, 197 
Anumbi, 224 Caserita, 195 
Anumbius acuticaudatus, 223 Centrites niger, 165 
Aphobus chopi, 132 Chat-like Tyrant, 148 
Argentine Blackbird, 5 Chestnut-shouldered Hang-nest, 
—— Cow-bird, 69 130 
Ashy-black Tyrant, 154 Chicli Spine-tail, 210 
Chingolo Song-Sparrow, 54 
Bank Martin, 38 Chin-spotted Tyrant, 163 
Bay-winged Cow-bird, 112 Chocolate Tyrant, 135 
Bellicose Tyrant, 187 Chopi, 132 
Bienteveo Tyrant, 176 Chrysomitris icterica, 59 
Black-and-Chestnut Warbling Churinche, 182 
Finch, 49 Cinclodes fuscus, 204 
Black - and - Yellow Crested Cistothorus platensis, 19 
Tyrant, 186 Climbing Wood-hewer, 235 
Black - and- Yellow Throated Cnipolegus anthracinus, 154 
Spine-Tail, 214 —— hudsoni, 155 
Black-crowned Tyrant, 141 Cock-tailed Tyrant, 150 
Black-headed Reed-Wren, 20 Colegial, 159 
— Siskin, 59 Common Swallow, 34 
— Thrush, 5 Cow-bird, 69 
Black Tyrant, 155 —— Argentine or Common, 69-96 
Boyero, 118 —— Bay-winged, 112 
—— Screaming, 96 
Cabeza amarilla, 116 Curved-bill Rush-bird, 227 
Cachalote, 231 Cyanotis azar®, 173 
241 
