Vol. XVII 
1900 
PALMER, The Maryland Yellow-throat. PHP 
Geothlypis trichas roscoe. SouTHERN YELLOW-THROAT. 
Sylvia roscoe AUDUBON, Orn. Biog. I, 1831, 124, xxix. Type local- 
ity, Mississippi. 
Geothlypts trichas roscoe HASBROUCK, Auk, VI, 1889, 167. 
Geothlypis trichas tgnota CHAPMAN, Auk, VII, 1890, 11. Type locality, 
Tarpon Springs, Florida. 
Adult @ : Large, brownish above; breast strongly tinged with ochrace- 
ous; under 'tail-coverts ochraceous yellow; facial black broad, especially 
on forehead; outer primary shorter than the 8th; wing, 53-55 mm.; 
tail, 50-54 mm.; culmen, 10-12 mm.; tarsus, 21-22 mm. 
Adult 2 : Smaller, slightly larger bill, less strongly colored. 
Geothlypis trichas brachidactyla. NorTHERN YELLOw- 
THROAT, 
Trichas brachidactylus Sw1nson,' Animals in Menagerie, Jan. 1, 1838, 
295- Type locality, ‘‘ Northern provinces of the United States.” 
Adult g@ in summer: Similar to ¢richas but larger, with stouter bill 
and longer and more pointed wings; outer primary longer than the 6th; 
wing, 51-57 mm.; tail, 48-51 mm.; culmen, 11-12 mm.; tarsus 19-21 mm. 
Adult 2: Similar to @ ¢réchas but larger, with more pointed wing 
and longer outer primary. 
Geothlypis trichas occidentalis. WESTERN YELLOW-THROAT. 
Geothlypis trichas occidentalis BREWSTER, Bull. Nutt. Orn. C. 1883, 159. 
Adult @ in summer: Largest; above pale olivaceous; throat, breast 
and under tail-coverts bright lemon yellow; facial black with a broad 
whitish crown band; forehead black, narrow; outer primary longer than 
the 6th; wing, 54-61; tail, 53-56; culmen, 10-11; tarsus, 19-21. 
Adult 2 : Smaller; less richly colored, especially on the throat and 
breast; sides of face pale grayish, pale eyering, grayish tinge across 
breast. 
Leag, Trichas brachidactylus. 
“ Above, olive green; beneath, yellow: a black fillet enveloping the 
front, eyes, and ears, bordered above by cinereous white. Lateral toes nearly 
equal, and shorter than the hinder one. 
‘‘ Inhabits plentifully, the Northern provinces of the United States.” 
