390 MUSEO NACIOXAL DE BUENOS AIEES. 



U. 



TJrú, 286. 



Urucureá, 289. 



Veniliornis agilis, 302. 

 Veniliornis frontoHs, 301, 302. 

 Veniliornis olivinus, 301, 302. 

 Veniliornis olivinus frontalis, 302. 



V. 



Veniliornis olivinus olivinus, 300, 30i, 



302. 

 Veniliornis sjjilogaster, 302. 



Xanthomyias vireseens Salvadorii, 341. 



Xanthornus holosericeus, 372. 



Xenicopsis acritus, 312. 



Xenicopsis oleagineus, 312. 



Xenicopsis rufosujjereiliatus Cabanisi, 

 313. 



Xenicopsis rufosupereiliatus oleagi- 

 neus, 311, 312, 313. 



Xenops approximans, 313. 



Xcnops genibarhis, 314. 



Xenops genibarbis, 313. 



Xenops genibarbis genibarbis, 313. 



Xenops genibarbis littoralis, 313. 

 Xenops genibarbis mexicanus, 313. 

 Xenops genibarbis Pelzelni, 284, 285, 



313. 

 Xenops genibarbis pezelni, 313, 314, 

 Xenops nificoudus, 313. 

 Xenops rufosupereiliatus, 311. 

 Xenops rufo-sui)erciliaUis, 312, 

 Xiphocolaptes major, 317. 

 Xiphocolaptes major castaneus, 317, 

 Xiphocolaptes major major, 317. 



Yiperú, 326. 



Ynambú tataupá, 285. 



Tpophaea, 354, 355. 



Zorzal obscuro y blanco, 343, 344, 345. 



