Index. 



925 



aurocapillus, Siurus, 807 

 aurofrenatum, Sparisoma, 299 

 auropalliata, Amazona, 480, 486 



Chrysotis, 486 

 australis, Tauriphila, 258 

 Austria, Emperor of, 2, 302 

 Automolus cervinigularis, 640 



hypophaeus, 323, 632, 640 



exsertus, 641 



pallidigularis, 641 



pallidigularis exsertus, 325, 632, 641 



rufescens, 360 



rufobrunneus, 638 



virgatus, 639 

 autumnalis, Amazona, 487 



autumnalis, Amazona, 480, 487 



salvini, Amazona, 487 



Anas, 435 



Chrysotis, 487 



Dendrocygna, 434, 435 



Psittacus, 487 

 axillaris Aramides, 408 



Chlorospingus, 847 



Myrmotherula, 596, 600, 608, 609 



Tachyphonus, 847 

 Aythya affinis, 437 

 aztec, Conurus, 323, 481-483 

 bahianus, Teuthis, 299 

 Baird, Prof. S. F., 359 

 bairdi, Acanthidops, 324, 894 



Actodromas, 423 



Geothlypis, 804 



Heteropygia, 423 



Pisobia, 423 



Polioptila, 751 



Tringa, 423 



Trogon, 325, 360, 554, 555, 559, 560 

 Balistes vetula, 299 

 Balistidae, 299 

 Baltimore Oriole, 827 

 baltimore, Hyphantes, 827 



Icterus, 827 

 Bangs, Outram, 363, 365, 368 

 barbatus, Myiobius, 708 



atricaudus, Myiobius, 708 

 Barn Swallow, 788 

 barretti, Argia, 151 

 barroti, Heliothrix, 511, 543 



Trochilus, 543 

 Bartramia longicauda, 420 

 bartramius, Actiturus, 421 

 Baryphthengus martii, 495 

 basale, Oxyagrion, 179, 186-190 

 Basileuterus bivittatus, 796 

 melanotis, 796 



culicivora, 794 



culicivorus culicivorus, 794, 795 

 godmani, 795 



Basileuterus delatrii, 797, 798 

 mesochrysus, 797 



leucopygius, 793, 794 

 veraguensis, 325 



melanogenys, 324, 359, 796 



melanotis, 324, 360, 795 



mesochrysus, 797, 798 



rufifrons, 796 



delattrii, 797, 798 

 mesochrysus, 797 



semicervinus leucopygius, 793 

 veraguensis, 794 



uropygialis, 793 



veraguensis, 

 basultoi, Thryorchilus, 765 

 batesi, Cannacria, 262 

 baueri, Skiallagma, 178 

 beckfordii, Nannostomus, 35 

 Belgian Minister, Count Conrad de 



Buisseret, 917 

 berenice naeva, Erytbrodiplax, 249 

 biarcuata, Melozone, 905 



Pyrgita, 905 

 biarcuatum, Pyrgisoma, 906 

 Bibliography of titles referred to in List 



of Birds of Costa Rica, 369-375 

 bicellulata, Diargia, 155 

 bicolor, Accipiter, 455 



schistochlamys, Accipiter, 445, 455, 

 456 



olivascens, Gymnopithys, 598, 614 



Nisus, 456 



Pithys, 614 

 bicornis, Metaleprobasis, 198 

 bidentata, Pyranga, 854 



sanguinolenta, Piranga, 854 

 bifurcus, Acanthophacelus, 51, 52 

 bilinearis, Neonura, 212 

 bilineata, Polioptila, 750 

 bilineatus, Pygocentrus, 47 

 bimaculatus, Astyanax, 23 

 binotata, Tramea, 258 

 Biologia Centrali-Americana, Aves, 365 

 bipunctulata, Argia, 143 

 bipupillatus, Lestes, 92, 95 

 Birds, List of Costa Rican, 375 

 Birds of Costa Rica, Bibliography of 

 titles referred to in List, 369-375 



habits, food and song as factors in 

 nomenclature, 331 

 Birds of North and Middle America, 



365, 692, 694, 709. 742 

 bistriatus, Charadrius, 424 



(Edicnemus, 424 

 bivittatus, Basileuterus, 796 



melanotis, Basileuterus, 796 



Iridio, 298 

 Bjerg, Mrs. C, 295 



