Abdomen bright yellow; occiput whitish-ash tinged with yellow. Bill, .32; tarsus, .75; wing, 2.45; tail, 2.50. Hab. Eastern Mexico (Jalapa?) … var. melanops.[53]
2. G. æquinoctialis. Black mask not bordered posteriorly by ashy or whitish; much narrower on forehead than on auriculars; maxillæ yellow. Sexes similar.
Black of the auriculars bordered posteriorly by the olive-green of the neck. Bill, .17 deep; wing, 2.50; tail, 2.35. Hab. Northeast South America (Cayenne, Trinidad, etc.) … var. æquinoctialis.[54]
Black of the auriculars bordered posteriorly by the ash of the crown. Bill, .14 deep; wing, 2.40; tail, 2.50. Hab. Brazil … var. velata.[55]
B. Black mask not extending underneath the eye, but confined to lores and frontlet.
3. G. poliocephala. Bill much as in Granatellus. Above olive-green; the crown light ash; beneath yellow. Sexes dissimilar.
Eyelids white; nape and auriculars olive-green; abdomen whitish. Bill, .30, .15 deep; wing, 2.20; tail, 2.50. Hab. West Mexico (Mazatlan) … var. poliocephala.[56]
Eyelids black; nape and auriculars ashy; abdomen wholly yellow. Bill, .35, .18 deep; wing, 2.40; tail, 2.50. Hab. Guatemala (Retaluleu) … var. caninucha.[57]
Series II.
4. G. philadelphia. Head all round ashy; lores only, black. Sexes nearly similar.