igig. Catalogue of Birds of the Americas — Cory. 441 



I — Black stripe behind malar stripe long; ground color of under parts 

 whitish; middle of belly slightly tinged with pale yellow; ground 



color of rump yellowish white or pale yellowish 



Chrysoptilus melanolczmus 



(Bolivia and northern Argentina; Chile?) 



2 — Black patch behind malar stripe much smaller; ear coverts washed 



with golden buff; rump golden yellow; under parts with tinge of 



greenish Chrysoptilus nigroviridis. 



(Rio Pilcomayo, western Paraguay) . 

 b' — No conspicuous black stripe behind malar region; chest not washed 

 with orange. 



I — Ground color of underparts deep yellowish green 



Chrysoptilus melanochlorus melanochlorus . 



(Wooded coast regions of southeastern Brazil, from Espirito 

 Santo to Rio Grande do Sol.) 

 2 — Ground color of underparts strongly golden yellow (adult), or 



pale greenish yellow with pear-shaped markings (immature) 



Chrysoptilus melanochlorus cristatus. 



(Paraguay, and adjacent region of the Parana R., Prov. Parana, 



Brazil; and northeastern Argentina and Uruguay.) 



3 — Ground color of underparts dull yellowish or pale greenish yellow. 



Spots on under parts smaller; throat streaks narrower. Wing, 



male, 126-129; bill, 23-24. . . .Chrysoptilus melanochlorus nattereri. 



(Central Brazil, Matto Grosso; Goyaz; northwestern Minas 



Geraes; northeastern Sao Paulo, etc.) 



4 — Similar to C. m. nattereri, but brighter; throat washed with yellow. 



Wing 131-134; bill 26-28 mm Chrysoptilus melanochlorus juce. 



(Northeastern Brazil, Ceard.) 



5 — Ground color of under parts yellow; spots on underparts larger; 



throat streaks heavier; size larger. Wing 132-135; bill 26-29 mm. 



Chrysoptilus melanochlorus flavilumbis. 



(Eastern Brazil, Minas Geraes and Bahia.) 

 b — Wing less than 125 mm. 



a' — Throat black, spotted with white. 



I — Upper parts brownish golden ohve; bill shorter; wing about no 



mm Chrysoptilus punctigula punctigula. 



(Cayenne and Surinam.) 

 2 — Upper parts slightly more golden olive; bill longer; wing about 



112 Chrysoptilus punctigula guttatus. 



(Amazon region from northeastern Brazil to eastern Peru and 

 southeastern Colombia.) 

 3 — Upper parts much less golden and more green; size larger; wing 



about 118 mm Chrysoptilus punctigula punctipecius. 



(Venezuela and eastern Colombia.) 

 4 — Upper parts approaching punctipecius, but throat blacker with 



white spots smaller; breast more heavily spotted 



Chrysoptilus punctigula zuliee. 



(Lower Catatumbo River region, western Venezuela.) 



