CATALOGUE OF BIRDS OF THE AMERICAS CORY. 471 



b 3 Lower belly not barred. 



i Lower belly and thighs dull buffy yellow; without bars; 



upper tail coverts barred V. dignus. 



(Colombia and eastern Ecuador.) 



2 Upper tail coverts nearly uniform ; spots on wing coverts yel- 

 lowish olive, usually bordered apically with red . V. valdizani. 

 (Central Peru.) 

 c* Entire belly barred. 



c 4 Chest barred and belly barred. 



c 8 Back with transverse spots or irregular bars of yellow. 

 i Back with transverse yellow markings; wing 83 to 92 



V. t&nionotus tanionotus. 



(Eastern Brazil; Minas Geraes, Bahia, etc.) 

 2 Similar, but upper parts more golden; under parts 

 paler; outer tail feathers much more strongly banded 



V. tanionolus cearat. 



(Prov. of Ceara, northeastern Brazil.) 

 3 Upper parts with irregular yellow spots; chin and 

 throat whitish with dusky spots; spots on wing 



coverts yellowish white; wing 92 to 98 mm 



V. frontalis. 



(Northern Argentina, Tucuman.) 

 d 5 Back uniform or with narrow yellow shaft stripes. 



d 6 Back with hair-like yellow shaft stripes or elongated 

 narrow spots ; pale barring on underparts well marked. 

 i Bars on chest broken into wide arrow-shaped 



spots; wing about 85 V. agilis. 



(Eastern Peru, eastern Ecuador, eastern 

 Colombia and northwestern Brazil.) 



2 Bars on chest complete; wing about 81 



V. passerinus. 



(Guiana, eastern Venezuela, northern and 

 northeastern Brazil.) 



e s Back (always?) uniform; pale barring on underparts 

 somewhat obscure and very narrow. 

 i Red on head confined to occiput and nape (male) ; 

 no red on head or nape (female); wing about 91 



V. olivinus. 



(Brazil, Bolivia, Paraguay and Argentina.) 

 d* Chest spotted or streaked (not barred) ; belly barred. 



e 5 Back with narrow yellow shaft streaks (sometimes ob- 

 scure.) 



i Chest with longitudinal spots of whitish; dark mark- 

 ings on underparts more olive; wing about 81 



V. fidelis. 



(Colombia.) 



2 Chest with wide, somewhat arrow shaped spots or 

 broken bars; general color of underparts more dusky; 



wing about 85 V. agilis. 



(Eastern Peru, eastern Ecuador, eastern Colombia 

 and northwestern Brazil.) 



