224 REVIEW OF AMERICAN BIRDS. [PART I. 
above olive green; the forehead, loral region, and sides of head extending a 
little above the eyes and over the ears, black; the rest of the head above 
ashy, glossed with brown, the color extending over the sides of the occiput to 
the black of cheeks. Whole under parts, with edge of wings, rich yellow; 
the lining of wings rather paler; the sides tinged with olive green. Upper 
mandible black ; lower paler, or whitish. Legs apparently flesh color. 
Total length, 5.30; wing, 2.35; tail, 2.40; graduation, .36; difference be- 
tween Ist and 4th quills, .24; length of bill from forehead, .£0, from nostril, 
-35; along gape, .62; greatest depth, .16; tarsus, .86; middle toe and claw, 
-75; claw alone, .25; hind toe and claw, .55; claw alone, .27. 
In the best specimen before me (24,042) there is a line of whitish 
feathers in the fold of skin bounding the lower eyelid inferiorly, 
apparently concealed from view in ordinary cases. The feathers on 
the extreme edge of the eyelid are, however, black, not white as in 
G. macgillivrayt. 
ead Poe hee Sex 
sonian| tor’s | and Locality. euler 
No. | No. | Age. 7 
U. 8. Expl. Exped. T. R. Peale. 
Received from Collected by 
15,223 ac 5¢ Brazil. [zil. 
24,042 ae Sie St. Catherines, Bra- LG: Wells: anu) wae 
94 Re Bahia. Cab.,Lawrence,) i). a eenecs 
(94.) This specimen has the bill rather stouter than the preceding. 
Geothliypis «quinoctialis. 
Motacilla equinoctialis, Gm. S. N. I, 1788, 972.—Trichas wg. Gray.— 
Geothlypis eq. Cas. Mus. Hein. I, 1850, 16.—Scuarer, Catal. 1861, 
27,no.171 (Trinidad ; Cayenne).—Taytor, Ibis, 1864, 81(Trinidad). 
Hab. Northeastern portion of South America (Cayenne; Trinidad, etc.). 
(No. 2,905.) Bill stout; the culmen and commissure gently curved from 
the base. First quill about equal to the 9th; 3d and 4th longest. Upper 
parts olive green; forehead, with loral region and cheeks, including a short 
space above the eye and ear coverts, black. Top of the head ash gray, with 
rounded or somewhat pointed outline on the occiput, so that the olive of the 
nape extends forward to the black cheeks, cutting off the ashy. Under parts 
yellow, with perhaps a faint tinge of ochry along the belly. Upper mandible 
dark brown; lower nearly white. Legs apparently flesh color. A line of con- 
cealed grayish feathers on the lower eyelid. 
Total length, 5.00; wing, 2.50; tail, 2.30; graduation, .46; difference be- 
tween Ist and 4th quills, .30; length of bill from forehead, .60, from nostril, 
.36; along gape, .65; depth, .19; tarsus, .90; middle toe and claw, .82; claw 
alone, .22; hind toe and claw, .66; claw alone, .30. 
The differences between the species of gray-crowned Geothlypis 
from Brazil (velatus), and its ally (aquinoctialis) from northern 
South America (Cayenne, Guiana, and Venezuela), were first con- 
trasted by Cabanis, and appear to be substantially correct as stated. — 
