58 
INDEX  OF  GENERIC  NAMES. 
Urubitinga,  14. 
Utamania,  636,  637. 
Vulpanser,  612. 
Vultur,  5. 
Weebongia,  369. 
Wilsonia,  265.' 
Xantbomyza,  121. 
Xanthopygia,  App.  12. 
Xantbornus,  343. 
Xema,  654. 
Xenophasia,  141. 
Xenopipo,  App<  13. 
Xenops,  App.  7. 
Xenurus,  243. 
Xcnus,  569,  570. 
Xerophila,  194. 
Xiphidiorhyncbus,  577. 
Xiphocolaptes,  App.  6. 
XIpholena,  App.  13. 
Xiphorhynchus,  140. 
Xolrais,  241. 
Xylocota,  583.® 
Yetapa,  243.^ 
Yphantcs,  344. 
Yuhina,  198. 
Yunx,  448. 
Zanclostomus,  460. 
Zan  thorny  za,  121. 
Zaporina,  593. 
Zenaida,  474. 
Zenophasla,  141. 
Zipliorhamphus,  228,  229. 
Ziphorhynchus,  228. 
Zonotrichia,  373. 
Zoothera,  217. 
Zosterops,  197. 
' Pr.  Bonaparte  (1838).  Synonymous  with 
* Pr.  Bonaparte  ( 1839).  Synonymous  with 
EnaUus. 
® Lesson  (1831 ).  Synonymous  with  Ahc- 
irurus. 
