68 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
cc. Middle and greater wing-coverts not distinctly, if at all, tipped with buffp. 
d. Pileum and hindneck dull slate-grayish; back, etc., more grayish olive; under 
parts paler buffy, the throat and flanks nearly white. 
Myrmopagis melzna, adult female, (p. 68). 
dd. Pileum and hindneck brown; back, etc., more brownish olive; under parts 
deeper (more ochraceous) buffy, the throat ochraceous-buff, the flanks 
buffy olive......--..--- Myrmopagis schisticolor, adult female (p. 71). 
MYRMOPAGIS MELANA (Sclater). 
BLACK ANTWREN. 
Adult male.—Above plain black or slate-black, the wing-coverts 
spotted or dotted with white (a roundish or subtriangular spot at tip 
of each feather), outer web of exterior row of scapulars broadly edged 
with white, and a large white patch covering inner-anterior portion 
of lesser wing-covert area; * lateral rectrices (sometimes all but middle 
pair) tipped with white; under wing-coverts, broad edgings to inner 
web of remiges, and an extensive patch of soft elongated feathers 
covering sides and flanks, white; rest of under parts uniform black, 
or slate-black; bill black, the mandible sometimes more plumbeous; 
iris brown; legs and feet horn color (bluish gray or grayish blue in 
life); length (skins), 78-99 (91); wing, 50-56 (52.4); tail, 29.5-37 
(32.4); culmen, 13-14.5 (13.6); tarsus, 15-17 (15.7); middle toe, 
8.5-10 (9).? 
Immature male.—Similar to the adult male, but the black of upper 
parts replaced by blackish slate, that of the under parts by slate 
color, clouded, more or less extensively, with black, the chin and 
upper throat sometimes mostly pale gray or grayish white; younger 
individuals with terminal spots of greater wing-coverts buffy instead 
of white. 
Adult female—Pileum and hindneck dark mouse gray or dull slate 
color, passing into olive on back and scapulars, this into brownish 
olive or olive-brown on rump and upper tail-coverts; tail dusky 
brown, the rectrices edged with russet-brown or sepia; general color 
of wings deep olive or olive-brown, the greater wing-coverts and 
secondaries more russet-brown on edges, the primaries edged with 
lighter and more buffy olive; middle and greater wing-coverts indis- 
tinctly tipped with russet-brown; auricular, suborbital, and malar 
regions, chin, and throat dull buffy whitish, the first suffused with 
grayish and with narrow shaft-streaks of whitish; rest of under parts, 
including under wing-coverts and broad edgings to inner webs of 
remiges, buff (more or less deep); maxilla blackish brown with paler 
tomia, mandible dull yellowish (bluish gray or grayish blue in life); 
iris brown; legs and feet horn color (bluish gray or grayish blue in 
@ Usually there are also narrow and indistinct whitish edgings to some of the remiges. 
b Fifteen specimens, 
