GEOTHLYPIS, 525 
f*. Bill stouter and tarsus shorter. Adult male with hinder 
border to black mask usually more or less tinged with 
pale yellow laterally, and occiput dull olive-green like 
back; wing 2.30-2.55 (2.42), tail 2.25-2.55 (2.42), ex- 
posed culmen .60-.63 (.62), tarsus .81-.85 (.84). Had. 
Island of Abaco, Bahamas. 
G, tanneri Ripaw. Abaco Yellow-throat.! 
e. Black mask of adult male bordered behind by yellow (much 
as in G. beldingi); upper parts very vivid olive-green ; lower 
parts very rich gamboge-yellow, including anal region and 
flanks, the latter, however, tinged with olive-green. Adult 
female with forehead and superciliary region olive-yellow- 
ish, or yellowish olive-green, and lower parts wholly bright 
yellow. Wing 2.40-2.60 (2.47), tail 2.45, exposed culmen 
.61-.62, tarsus .81-.88 (.85). Hab. Eleuthera Island, Ba- 
hamas. G. coryi Ripew. Cory’s Yellow-throat.? 
ce. Bill extremely slender and acute; black mask of adult male extending 
over crown, and without any lighter posterior border ; legs and feet 
dark brown or blackish. 
Adult male: Above deep olive, or olive-brown, with whole top and 
sides of head, including malar region, black; lower parts oil- 
yellow or saffron, inclining to gamboge on throat, and much 
tinged with brown on sides and flanks. Jmmature male (or 
adult male in winter ?). similar, but with top of head dull olive, 
the lores, ear-coverts, and malar region dull black. Adult fe- 
male: Similar to male, but without any black on head. Length 
(skin) about 4.80-5.00, wing 2.25-2.35, tail 2.20-2.25, tarsus .80- 
.85. Hab. Southeastern Mexico (Orizaba, etc.). 
G. speciosa Sct. Orizaba Yellow-throat.$ 
a*. Bill very stout, decidedly deeper than broad, its greatest depth much more than 
half its length from nostril, the culmen strongly curved. (Subgenus Chame- 
thlypis Ripew.*) 
Adult males plain olive-green above, becoming gray on top of head (some- 
times on nape also); lores (sometimes also space surrounding eye) 
black; lower parts gamboge-yellow, sometimes becoming buffy whitish 
on lower belly and flanks. Adult females similar to males, but lacking 
gray and black of head, and yellow of lower parts paler. 
b', Eyelids white. 
c. Bill smaller; belly and anal region buffy whitish, the sides and flanks 
pale grayish buff; adult male with top of head bluish gray; wing 
2.10-2.25, tail 2.40-2.50 (feathers much worn at tips), exposed cul- 
1 Geothlypis tanneri Rivew., Auk, iii. July, 1886, 335. 
2 Geothlypis coryi Ripew., Auk, iii. July, 1886, 334, 
83 Geothlypie speciosa Scx., P. Z. 8. 1853, 447. 
4New subgenus. Type, Geothlypis poliocephala Barry. 
