58 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
D{ysithamnus] olivaceus semicinereus OBERHOLSER, Proc. U. 8. Nat. Mus., xxv, 
no. 1281, Sept. 8, 1902, 129, in text (part). 
Dysithamnus mentalis septentrionalis Rrpaway, Proc. Biol. Soc. Wash., xxi, Oct. 
20, 1908, 193 (Chocttim, Vera Paz, Guatemala; coll. U. S. Nat. Mus.).— 
Carrixer, Ann. Camegie Mus., vi, 1910, 606 (Caribbean slope, 2000-4000 ft., 
and foothills of s. w. Pacific slope, Costa Rica; habits)—Frrry, Pub. 146, 
Field Mus. N. H., orn, ser., i, no. 6, 1910, 271 (Guayabo, Costa Rica). 
DYSITHAMNUS PUNCTICEPS Salvin. 
SPOTTED-CROWNED ANTVIREO. 
Adult male-—Pileum and hindneck black and slate-gray, dotted 
with white, the black in the form of irregular (‘‘herring-bone’’) 
mesial streaks, broader on occiput and hindneck, the white dots 
more transverse on forehead; back, scapulars, rump, and upper tail- 
coverts slate color or deep slate-gray, usually tinged, more or less, 
with olive, especially on rump and upper tail-coverts; tail olive-slate 
or slaty olive; general color of wings similar to that of back, but 
concealed portion of feathers more dusky, the lesser coverts dotted 
with white, middle and greater coverts tipped, or terminally spotted, 
with white (forming two distinct narrow bands), primary coverts 
(usually at least) minutely marked at tip with white, and alula con- 
spicuously edged with white; auricular region slate-gray, tinged with 
olive and indistinctly streaked with whitish, the suborbital and 
malar regions white, or yellowish white, streaked and barred with 
dusky grayish; sides of neck and sides of chest plain slate-gray, 
passing posteriorly into a more buffy olive hue on flanks; median 
under parts (broadly) white, passing into pale buffy yellowish pos- 
teriorly, the chest (sometimes lower throat also) usually more or less 
streaked with dusky; under wing-coverts and broad edgings to inner 
webs of remiges yellowish white, the carpo-metacarpal region spotted 
with dusky; maxilla brownish black, mandible dull whitish (pale 
bluish gray in life?); legs and feet horn color (bluish gray in life 2); 
length (skins), 108-113 (110); wing, 58-61 (59); tail, 34-38 (86); 
tarsus, 20-20.5 (20.2); middle toe, 11-12 (11.5). 
Adult female.—Pileum light tawny-ochraceous, buffy cinnamon or 
wood brown, streaked, more or less broadly, with black, the streaks 
more or less cuneate or guttate and broader on occiput; back, scapu- 
lars, and rump plain light grayish olive or hair brown, the upper tail- 
coverts more brownish; tail dusky grayish brown with light olive- 
brown edgings, the lateral rectrices narrowly margined at tip with 
pale brownish buffy; anterior lesser wing-coverts concolor with back, 
but slightly darker centrally, the posterior ones and the middle 
coverts more dusky with a rather large terminal roundish spot of pale 
buffy; greater coverts dark brownish olive, edged with paler, the 
outer web with a roundish terminal spot of buffy; remiges olive- 
brown (more buffy on edges of primaries), their inner webs dusky 
@ Two specimens. 
