HYLOPHILUS. 381 
(No. 22,374, % -) Wing considerably graduated ; 2d quill about equal to 
10th; 5th longest ; exposed portion of Ist less than half 3d, more than half 
2d. Tail short, rather rounded; feathers narrow. 
Above bright olive green; whole top of head and nape clear pure ash gray, 
in sharp contrast; cheeks paler, whitish about eyes. Beneath white, with 
a slight creamy tinge, purest on throat and belly; the sides of breast and 
flanks yellowish olive, lighter than the back, passing more into yellow on 
crissum, and still purer yellow on inside of wings and axillars. Quills dusky 
brown, edged externally with olive green, the outer primaries only with gray ; 
quills edged internally with whitish. Tail feathers olive. Bill above dusky, 
whitish below. Legs dusky? 
(No. 22,374, 4.) Total length, 3.75; wing, 2.10; tail, 1.80; difference of 
feathers, .14; difference of 10th and longest quills, .384; exposed portion of Ist 
primary, .71, of 2d, 1.35, of longest (5th) (measured from exposed base of 
1st primary), 1.62; length of bill from forehead, .56, from nostril, .32, along 
gape, .63; tarsus, .64; middle toe and claw, .43, claw alone, .16 ; hind toe and 
claw, .36, claw alone, .20. 
The loral region and a narrow ring around the eye are grayish- 
white, as is to a less extent the space below the eye. 
This species is almost certainly the Pachysylvia decurtata of 
Bonaparte. 
Smith-|Collec-| Sex Wien: 
: 7" : ¢ 
i arin ede we Locality. Gollected: Received from Collected by 
22,374 od | Mexico (Cordova?) ae Vieurdawx (ene |e melsis.a 
24,163 as Guatemala. aes GAN Lawrence... lee b peissieerd 
er 172 fol ss srare Cabs Lawrences. jo | scree 
402 es Adie oh SP euates 
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Hylophiius pusillus. 
Hylophilus pusillus, Lawrence, Ann. N. Y. Lyc. VII, 1861, 323 (Panama); 
VIII, 1865, 180 (Greytown, Nic.). 
Hab. Isthmus Panama, to southeastern Nicaragua. 
Very similar to decurtatus, but smaller; ash of head not extending as far _ 
back over the nape, and slightly mixed with olive; less distinct on side of 
neck ; tail beneath more olive. Olive of sides less in amount, and more 
yellow. Back more yellow. “Iris brown.” Carmiol. 
(No. 400, Panama.) Total length, 3.80; wing, 2.05; tail, 1.60; difference 
of 10th and longest primaries, .27 ; exposed portion of 1st primary, .70, of 2d, 
1.32, of longest (5th) (measured from exposed base of Ist primary), 1.60; 
length of bill from forehead, .60, from nostril, .34, along gape, .64; tarsus, .60. 
(No. 34,672, 4, Costa Rica.) Total length, 3.70; wing, 1.85; tail, 1.40; dif- 
ference of 10th and longest primary, .16; exposed portion of 1st primary, .62, 
of 2d, 1.12, of longest (5th) (measured from exposed base of Ist primary), 
