238 BIRDS OF LA PLATA 
Chueké, 230 
Circus cinereus, 43 
—— macropterus, 43 
Coccyzus americanus, 22 
—— cinereus, 22 
—— melanocoryphus, 21 
Cocoi Heron, 92 
Colaptes agricola, 10 
—— campestris, 10 
—— pitius, 10 
Columba maculosa, 155 
—— picazuro, 154 
Columbula picui, 158 
Conurus patagonus, 27 
Coscoroba candida, 138 
Cotorra, 30 
Coucou, 21 
Crested Screamer, 130 
Crispin, 24 
Crotophaga ani, 23 
Crowned Eagle, 51 
Crypturus tataupa, 219 
Cuckoo, 15-27 
Cuervo, 89 
Cygnus nigricollis, 136 
Dafila bahamensis, 148 
—— spinicauda, 147 
Darwin’s Rhea, 234 
— Tinamu, 226 
Dendrocygna fulva, 139 
—— viduata, 141 
Diplopterus nevius, 24 
Dormilon, 5, 197 
Dominican Gull, 211 
Duerme-duerme, 5 
Elanus leucurus, 57 
Engyptila chalcauchenia, 159 
Esquimo Whimbrel, 207 
Eudromias modesta, 187 
Euxenura maguari, 113 
Falco fusco-cerulescens, 55 
—— peregrinus, 53 
mingo, Argentine, 127 
ulica armillata, 171% 
—— leucoptera, 170 
Fulica leucopyga, 172 
Fulvous Tree-Duck, 139 
Gallina ciega, 5 
Gallinago paraguaiz, 195 
Gallineta, 163 
Gallinazo, 89 
Geranoaeétus melanoleucus, 48 
Glaucidium nanum, 34 
Glittering Humming-Bird, 1 
Glossy Ibis, 118 
Goatsucker, 4-7 
Godwit, 206 
Grebe, Bright-cheeked, 219 
—— Great, 217 
—— Rolland’s, 219 
— Thick-billed, 219 
Green Parrakeet, 30 
Grey Eagle, 48 
Grey Teal, 144 
Guira Cuckoo, 15 
Guira piririgua, 15 
Harpiprion cerulescens, 122 
Harpyhaliaétus coronatus, 51 
Harrier, Argentine Hen-, 43 
Heron, 92-113 
Himantopus brasiliensis, 193 
Hobby, Argentine, 55 
Hudsonian Godwit, 206 
Humming-bird, 1 
Ibis, Black-faced, 120 
Blue, 122 
—— White-faced, 118 
—— Whispering, 124 
— Wood, 116 
Jacana, 175 
Jabiru, 117 
Keanché, 76 
Kite, White, 57 
