380 REVIEW OF AMERICAN BIRDS. [PART I. 
Hylophilus viridiflavus. 
Hylophilus viridiflavus, LAwrEncE, Ann. N. Y. Lyc. 1861, 324 (Birds 
Panama, II, 212 (Isth. Panama).—Scuarer & Satyin, P. Z. 8. 1864, 
348 (Isth. Panama). 
Hab. Isthmus Panama. 
(No. 38,924, 9.) Fourth quill longest; 3d, 5th, and 6th little shorter; 2d 
equal to 10th; 1st about half longest. Wings very short and much rounded, 
about equal to the graduated tail. 
Above light olive green, rather brighter behind. Beneath, including bend 
and lining of wings, rich 
yellow. Cheeks pale 
ash; chin and throat 
tinged with the same. 
Loral region gray. Bill 
and legs pale yellow. 
(‘In life bill and 
legs slightly pinkish ; 
iris yellowish, nearly 
white.’’ Hicks.) 
Fresh specimen: Total 
length, 4.75 ; expanse of 
wings, 6.50. Prepared 
specimen; Total length, 
4.60; wing, 2.15; tail, 
Hylophilus viridiflavus, LawRk. (Panama.) 2.10; difference of tail 
foathebs, .25; difference 
of 10th and lonbese quills, .25; exposed portion of lst primary, .85, of 2d, 
1.38, of longest (4th) (oeehuvod from exposed base of lst primary), 1.63; 
length of bill from forehead, .55, from nostril, .32, along gape, .64; tarsus, 
-77; middle toe and claw, .55; claw alone, .20; hind toe and claw, .48, claw 
alone, .24. 
Smith- conte. Sex When 
sonian| tor’s | and Locality. Collected Received from Collected by 
No. No. | Age. r 
38,924 69 g Panama. Jan. '7, 265.) Fred. Hicks. 427) Vykeeaee 
38,925 72 fof es Me SO ao | eit li ee 
ee 176 ce) as hate Cab. Lawrence. | M’Lean. & Galb. 
(38,924.) Eyes white; legs and bill slightly pinkish. (176.) Type. 
Hylophilus decurtatus. 
Sylvicola decurtata, Bon. P. Z. 8. 1837, 118 (Guatemala).— Pachysylvia 
decurtata, Bon. Consp. 1850, 309. 
Hylophilus cinereiceps, ScuateR & Satvin, P. Z. S. 1860, 299 (Vera Paz, 
Guat.).—Is. Ibis, 1860, 397 (Guat). —?Is. P. Z. §. 1864, 348. — 
ScnaTer, Catal. 1861, 44, no. 267. 
Hab. South Mexico and Guatemala. 
