876 



INDEX. 



Page. 



Stryx doliata 773, 778 



nyctea 770 



varia aHcni 645 



Stygian Owl 658 



stygius, Asio 654, 658, 660, 661 



Nyctalops 653, 660 



O tus 660 



Phasmoptynx 661 



subarcticus, Asio virginianus 752 



Bubo 743, 744, 745, 746, 748, 751, 752 



virginianus 743,744, 745, 



746, 748, 751, 752 



P 744 



d 745 



subelegans, Centurus 52, 75, 84 



subelegans 52, 73, 74 



Melanerpes 52 



Picus 84 



subhutu, Momotus 457 



submexicauus, Colaptes 39 



Picus 39 



subocularis, Picus 61 



suboles, Electron platyrhynchus 472,473,474 



subrufescens, Momotus 454, 455, 460, 463 



subrufescens 455, 



461,462,463 



Prionites 455 



subtectus, Bucco 380 



Notharchus tectus 376, 379 



Nothriscus 380 



Subulatus angustirostris 446 



subulatus, Todus 443, 445, 446, 447 



sulcatus, Aulacorhynchus 352 



Pteroglossus 351 



sulfuratus, Ramphastos 334 



Rhamphastos 334 



sulfuriventer, Centurus 96 



sulphureus, Capito 316 



sumichrasti, Nyctidromus albicollis 537, 



539,540,543,544,546 



Sumichrast's Cui^jo 543 



SupercUiaris, Centurus 48, 49, 50, 60, 61, 65 



supereiliaris 50, 59, 61 



Colaptes 60 



Crypticus 479 



Eumomota 479, 480, 481, 482 



Melanerpes 61 



Momotus 479 



Picus 60, 61, 122 



Prionites (Crypticus) 479 



Spathophorus 481, 482 



Zebrapicus 60 



Superciliary Woodpecker 59 



superciliosa, Alcedo 421, 439, 440 



Amazouis 440 



Ceryle 439, 440 



superciliosa 439 



Chloroceryle 439, 440 



Eumomota 477 



superciliosa 477 



478,479,480 



Strix 758 



superciliosus, Colaptes 61 



Crypticus 480 



Prionites 476, 479, 480, 482 



Pyronites 479 



Page. 



Surinam Kingfisher 436 



surinamensis, Alcedo 436 



Ceryle 436 



Surnia 621, 772 



borealis 774, 778 



canadensis 778 



caparoch 778 



cinerea 635 



cunicularia 813, 817 



doliata 773 



funerea 667, 773, 777 



caparoch 778 



funerea 777 



ulula 779 



hudsonia 778 



hypogaea 818 



nsevia 691 



nyctea 770 



passerinoides 792 



ulula 773, 779 



caparoch 667, 773, 774, 777, 778 



doliata 773 



funerea 777 



hudsonia 778 



korejewi 774 



pallasi 774,776 



tianschanica 774 



ulula 773, 774, 776, 779 



Subsp. a. funerea 777 



var. hudsonia 778 



b. hudsonia 778 



hudsonica 778 



ulula var. ulula 773 



Surnium cinereum 639 



nebulosum 644 



swainsoni, Bucco 374, 376 



Capito 376 



Momotus 455 



Notharchus 376 



Ramphastos 339 



Tamatia 376 



swainsonii, Ramphastos 331,332,336,339,340 



Rhamphastos 340 



Swainson's Toucan 336 



Woodpecker 70 



swarthi, Glaucidium gnoma 781, 793 



Swinia funerea 777 



Syma 405 



symplectus, Dryobatesscalaris . 200, 246, 254, 257, 258 



Syndactylae, Volucres 402 



S jTidactyli 359 



Syrnia funerea 777 



Syrnium 639,640 



alleni 645 



caurLnum 651 



cinereum 635,638,639 



sakhalinense 635 



a. cinereum 639 



var.cinereum 639 



lapponicum 635 



(Scotiaptex) cinereum 639 



f ulvescens 648 



f unereum 623 



griseat um 733 



helveolum 646 



koenigswaldianum 756 



