Co 
THRYOPHILUS. 133 
Thryophilus castaneus. 
Thryothorus castaneus, Lawn. Ann. N. Y. Lye. VII, 1861, 321, no. 193 
(Panama R. R.). 
ITab. Line of Panama R. R. 
(No. 99, §.) Above dark chestnut-brown ; the wings and tail black, their 
exposed surfaces, except perhaps middle and lesser coverts, banded with 
chestnut; the two sets of bands about equal on the wings; on the tail the 
black ones nearly double the others. The second and third lateral tail 
feathers not banded internally, except at tip. No bands whatever on back 
andrump. Top and sides of head black; a line from bill over eye, eyelids, 
and a band from side of lower jaw curving round over the ears, white—the 
latter bounded inferiorly by a black line from lower jaws bordering the ear 
behind, and running into the black of the nape. Chin and upper throat 
white, passing insensibly into reddish-fulvous on the jugulum, and posteriorly 
into deep chestnut. The breast, sides, and crissum are barred transversely 
with black, less distinct along the middle line. Inside of wings chestnut. 
The white crescent on the side of head is separated from the white lower 
eyelid by a black space. 
Female similar, but smaller, with shorter bill. 
Male: Total length, 6.00; wing, 2.75; tail, 2.40; graduation of tail, .70; 
length of bill from forehead, .90, from nostril, .60; along gape, 1.00; tarsus, 
1.03; middle toe and claw, .90; hind toe and claw, .74; claw alone, .35. 
Female: Bill from forehead, .80; nostril, .49; gape, .91. 
| 
Smith- | Collec- Sex | When 
sonian| tor’s | and Locality. Collected Received from Collected by 
No. No. |Age. : : 
34,093 F 3s Panama R. R. Bote Geo. N. Lawrence.| J. M’Leannan. 
it 99 fof He | Cab. Lawrence. M’Lean. & Galb. 
99 i) “cc | “oe ce 
| 
(99, g-) Type. (99, 2.) Do. 
Thryophilus schottii. 
Thryophilus schottii, BArRD, n. s. 
Thryothorus nigricapillus, Cassin, Pr. A. N. Se. 1860, 193 (Truando). 
Not of ScuarEer. 
Tub. Isthmus of Darien. 
Markings above and on the head precisely similar to those of 7. castancus. 
Under parts, from chin to anal region, white, the flanks and crissum tinged 
with chestnut; the whole extent from chin to tail, including inner wing 
covert, barred transversely and distinctly with black, the black bars a little 
the narrower. 
No. 17,901. Total length, 5.60; wing, 2.70; tail, 2.25; graduation of tail, 
-65; exposed portion of lst primary, .95, of 2d, 1.50, of longest (measured 
from exposed base of Ist primary), 2.00; length of bill from nostril, .50 ; along 
gape, .90; tarsus, .96; middle toe and claw, .85; hind toe and claw, .70. 
