CHERRIE: ORNITHOLOGY OF THE ORINOCO REGION. 



185 



Without olive-yellow wing and tail edgings. 



/. Entire upper parts a nearly uniform brownish grey; belly and 

 under tail-coverts white 



/'. Upper parts, head and back, dark olive brown, wings and tail 

 black, wing-coverts and tertials edged on outer webs with raw 

 umber; belly whitish under tail-coverts brownish buff (wood 

 brown); or immature males assuming adult plumage, under 

 tail coverts mixed with black feathers with whitish tips 



'. Olive yellow edgings to wings and tail 



d'. Back distinctly striated. 



g. Head not striated; shoulders, lesser and median wing- 

 coverts chestnut 



g'. Head striated, no chestnut wing coverts. 



h. Wing short and rounded, outer primary (9th) shorter 



than yth 



h'. Wing more pointedandouterprimarylongerthanthevth. 

 i. Inner secondaries elongated reaching nearly to tips of 

 primaries . 



i'. Inner secondaries and tertials not elongated 



b'. Tail-feathers acuminate and tail longer than wing 



. Plumage not striated, either above or below. 



6. Having well developed superciliary stripe yellowish, white or grey. 

 c. Well developed black or blackish stripes on sides of crown extend- 

 ing from the bill to the nape. 



d. Narrow black band across the breast 



d'. No dark band across the breast 



c'. No lateral stripes on crown 



6'. No superciliary stripe. 



c. Depth of bill at base equal to distance from the angle of rictus to 



tip of bill 



c'. Depth of bill at base less than distance from angle of the rictus to 



tip of bill. 

 d . Glossy blue black both above and below 



d' Not blue black both above and below. 



e. A partially concealed crown-patch of bright scarlet 



e'. No crown-patch. 



/. Outer (9th) primary longer than 7th. 



g. A white patch at base of outer webs of 5th, 6th and 



7th primaries extending beyond tips of coverts 

 H. Under parts yellow 



h'. Under parts white 



g'. No white patch at base of outer webs of sth, 6th and 7th 



primaries 



h. Inner webs of wing-quills broadly edged with yellow 

 similar to under wing-coverts; size larger, wing more 



than 65 mm 



h'. Inner webs of wing-quills narrowly edged with pale 



yellowish; smaller, wing less than 65 mm 



/'. Outer primary shorter than the 6th. 

 g. Wing more than 65 mm. 



h. Wing-tip equal to or longer than tarsus 



h'. Wing-tip not equal to tarsus. 



i. Under parts white, throat red (adult) or buff (immature) 



Caryphospingus (female and 

 young). 



Volatinia (females and 

 young). 



Sicalis (female and im- 

 mature male). 



Spit 



Myospiza. 



Sicalis (immature and 



females). 

 Sicalis (adults). 

 Emberizoides (one species). 



Arremon. 



Arremonops. 



Saltalor. 



Oryzoborus. 



Volatinia jacarini splendens 

 (adult males). 



Coryphospingus pileatus 

 (adult male). 



Aslragalinus psallria colu 



bianus. 

 Dolospingus nuchalis. 



Sicalis (adults.) 



Sicalis flaveola. 

 Sicalis columbiana. 



Cyanocompsa rolhtchi'di 

 Paroaria nigrogenys. 



'Hellmayr, Novit. Zool. XII. 1905. p. 277. 



