Lapwing, Spur-wing, 178 
Larus dominicanus, 211 
maculipennis, 212 
Lechuzon, 34 
Limosa hemastica, 206 
Little Blue Heron, 104 
—— Red Heron, 105 
—— Waterhen, 170 
Macas cornudo, 217 
Magellanic Eagle Owl, 34 
Maguari Stork, 113 
Mareca sibilatrix, 150 
Martineta, 227 
Metopiana peposaca, 152 
Milvago chimango, 62 
Mycteria americana, 117 
Nacunda, 4 
Nandu, 230 
Night-Heron, 112 
Nothura maculosa, 223 
—— darwini, 226 
Numenius borealis, 207 
Nycticorax obscurus, 112 
Oreophilus ruficollis, 189 
Painted Snipe, 197 
Pajaro ardilla, 27 
Paraguay Snipe, 195 
Parra jacana, 175 
Parrot, 27 
Patagonian Parrot, 27 
—— Ringed Plover, 188 
Pato ceja blanca, 145 
— collar negro, 145 
—— overo, 150 
—— picaso, 150 
— Portugues, 146 
—— silvon, 139 
—— viuda, 141 
Pectoral Sandpiper, 198 
INDEX 239 
Perdiz chico, 226 
grande, 221 
Peregrine Falcon, 53 
Phalacrocorax albiventris, 91 
brasilianus, 90 
-—— imperialis, 91 
Phimosus infuscatus, 124 
Phenicopterus ignipalliatus, 127 
Piaya cayana, 26 
Picui, 158 
Pigmy Dove, 158 
—~ Falcon, 61 
— Owl, 34 
Plegadis guarauna, 118 
Podager nacunda, 4 
Podiceps caliparzus, 219 
—— rollandi, 219 
Podilymbus podiceps, 219 
Polyborus tharus, 75 
Porphyriops melanops, 170 
Queltrégua, 178 
Querquedula brasiliensis, 146 
—— cyanoptera, 142 
—— flavirostris, 143 
—— torquata, 145 
—— versicolor, 144 
Rail, Black, 160 
—— Ypecaha, 163 
Rallus rhytirhynchus, 160 
Red-backed Buzzard, 47 
Red-crested Woodpecker, 7 
Red Shoveller, 151 
Rey de los Pajaros, 61 
Rhea americana, 230 
darwini, 234 F 
Rhyacophilus solitarius, 201 
Rhynchea semicollaris, 197 
Rhynchops melanura, 208 
—— nigra, 209 
Rhynchotus rufescens, 221 
Ringed Kingfisher, 13 
Ring-necked Teal, 145 
