Index. 



607 



solitarius, Troglodytes, ioo 



Urubitornis, 61, 108, 155 

 solstitialis, Troglodytes, 100, 418 

 sophiae, Trochilus, 265 

 sordidus, Psittacus, 200, 201 

 sororia, Elaenia, 52, 364, 365 

 sororius, Xiphorhynchus guttatus, 278 

 soui, Crypturornis soui, 165 

 South America, Researches in, 3 

 spatiator, Grallaria, 51 



Grallaria rufula, 51, 95, 96, 298 

 Species, List of, 130 

 speciosa, Lepidoenas, 61, 196 

 spencei. Crypturus cinnamomeus, 167 

 spengeli, Psittacula, 6i, 73, 78, 203 

 Speotyto, 80 • 

 sphenurus, Emberizoides herbicola, 



\65, 530 

 spinescens, Spinus spinescens, 96, 535 

 spinicauda, Chaetura spinicauda, 62, 



244 

 spinosa, Jacana spinosa, 187 

 Spinus spinescens capitaneus, 54, 82, 



95, 534 



spinescens spinescens 96 

 Spiza americana, 57, 533 

 Spizaetus ornatus, 61, 157 



tyrannus, 61, 157 

 Spiziastur, 80 

 Spoonbills, 139 



Sporathraupis cyanocephala auricris- 

 sa, 87, 490 



cyanocephala hypophaea, 87 



cyanocephala margaritse, 54, 84, 

 87, 490 

 Sporophila. 517, 518 



grisea, 516 



grisea grisea, 65 



gutturalis, 65, 513, 517 



haplochroma, 54, 65, 517 



luctuosa, 84, 87, 513, 514 



minuta minuta, 65, 515 



obscura, 517 



plumbea colombiana, 38 



sp., 516 

 spurius, Icterus, 57, 474 

 squammata, Scardafella, 195 

 squamulatus, Microcerculus, 409 



Picumnus, 62, 67, 234 

 Steatornis caripensis, 68 



caripensis caripensis, 62, 217 

 Steatornithidae, 217 

 Stelgidopteryx ruficollis aequalis, 54, 



65, 437 

 stenorhynchus, Schiffornis amazonus, 

 6 3. 333 



Sterna eurygnatha, 181 



stictipennis, Megaceryle torquata, 226 



Stone, Witmer, acknowledgment to, 

 6 



Storks, 140 



Streptoprocne zonaris albicincta, 62, 

 244, 245 

 zonaris altissima, 245 



striata, Dendroica, 57, 450 



striaticeps, Drymophila caudata, 307 



striaticollis, Orodynastes striaticollis, 

 53, 82, 95, 96, 392 

 Xenicopsis, 284 

 Xenicopsis montanus, 86 



striatigularis, Chrysoptilus punctigula, 



237 

 striatipictus, Saltator, 503 



Saltator striatipictus, 65, 501 

 striatus, Butorides, 6o, 136 

 striigularis, Phaethornis striigularis. 



63, 70, 272 

 StUrnella ludoviciana, 467 



ludoviciana meridionalis, 467 



magna paralios, 54, 65, 82, 466, 

 58i 

 subcinereus, Erionotus punctatus, 52 

 subcristatus, Acrorchilus, 86 

 subelegans, Centurus, 240 

 subflavescens, Cyclarhis, 429 

 Sublegatus glaber, 64, 367 

 subrufescens, Momotus, 50. 223 



Momotus subrufescens, 50, 223 

 subruficollis, Tryngites, 56, 183 

 subtilis, Urubitinga, 152 

 Subtropical Zone, 81 ■ 



Birds of, 83 



Character and Extent, 81 



Distribution of Forms, 85 



Faunal Affinities, 84 



Origin of Fauna, 89 

 sulcirostris, Crotophaga, 68 



Crotophaga sulcirostris, 62, 209 

 Summary and Conclusion, 102 

 Summit Lake, 120, 128 

 superciliare, Todirostrum sylvia, 64, 



381 

 superciliaris, Todirostrum, 382 

 superc-iliosus, Arremonops, 529 

 siirinamensis, Hydrochelidon nigra, 



56. 180 

 susurrus, Phaethornis longirostris, 51, 



63, /8, 79, 273 

 Sutton, George Miksch, acknowledg- 

 ment to, 2, 6 

 swainsoni, Gampsonyx, 60, 144 



Hylocichla ustulata, 56, 402, 404 



