58 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



D[ysithamnus] olivaceus semicinereus Oberholser, Proc. U. S. Nat. Mus., xxv, 

 no. 1281, Sept. 8, 1902, 129, in text (part). 



Dysithamnus vieyitalis septentrionalis Ridgway, Proc. Biol. Soc. Wash., xxi, Oct. 

 20, 1908, 193 (Choctum, Vera Paz, Guatemala; coll. U. S. Nat. Mus.).— 

 Carriker, Ann. Carnegie Mus., vi, 1910, 606 (Caribbean slope, 2000-4000 ft., 

 and foothills of s. w. Pacific slope, Costa Rica; habits). — Ferry, 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, nimp, 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?); 

 length (sliins), 108-113 (110); wing, 58-61 (59); tail, 34-38 (36); 

 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 ])lain 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 shghtly 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 oHve, edged with paler, the 

 outer web wdth a roundish terminal spot of buffy; remiges olive- 

 brown (more buffy on edges of primaries), their inner webs dusky 



a Two specimens. 



