INDEX TO THE SPECIES. 



Tiirdus Thenca 



rufiventer 



varius 



curcBUS 



Chochi 



leucomelas 



albiventer 



Orpheus 



Tyranninse 



Tyrannula magnirostris 



aiiriceps 



parvirostris 



Tyr annus Irupero 



pepoaza 



polyijloltus 



nengeta 



magnanimus 



■ sulpilmratus 



giitturalis 



coronatus 



Savana 



Ulula rufipes 



Ululina! 



Ujipucerthia dumetoria . 



dumetoria, Anat 



dumetorum 



UppiKerthia vulgaris 



rupestris 



Uppucerthia nigro-fumosa 



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Vanellus cinctus 

 Viralva aranea 

 Vultur gryphus 



aura 



atratus 



jota 



Vulturidse 



White rumped snipe 



Xanthornus chrysopterus 



• flavus 



Xema cirroceplialum 

 Xolmis nengeta 



coronata 



■ variegata 



Pyrope 



Yahana proprement dit 



Ypacaha 



Yellow crested grosbeak 



Yellow shanks snipe 



Yetapa psalura 



Zaporina notata 



spilonota 



Zenaida aurita 



Galapagocnsis 



Boliviana 



Zonotrichia strigiceps 



canicapilla 



matutina . 



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