BIRDS OF NORTH AND MIDDLE AMERICA. 33 
much shorter than tarsus; outer toe, without claw, reaching to 
beyond middle of subterminal phalanx of middle toe, the inner 
toe decidedly shorter; hallux about as long as inner toe but much 
stouter; basal phalanx of middle toe wholly united to outer toe, 
united for about half its length to inner toe; claws strongly curved, 
much compressed, that of the hallux decidedly shorter than its digit. 
Plumage full, lax, and blended, that of the rump much lengthened 
and fluffy; feathers of pileum elongated, especially on occiput, 
forming a distinct decumbent crest. 
Coloration.—Adult males with head, neck, chest, and median por- 
tion of breast (usually of abdomen also) uniform black, the sides and 
flanks white or light gray; wings and tail black varied with white, 
the back brown or grayish, or black with a large concealed patch of 
white; adult females olive-brown to tawny-brown above, the wings 
dusky varied with buffy or whitish, the pileum blackish or rufescent; 
under parts plain buffy (more whitish on throat and abdomen). 
Range.—Northern Colombia to Cayenne, southeastern Brazil, 
Bolivia, and northern Peru. (About seven species.) 
HYPOLOPHUS CANADENSIS PULCHELLUS (Cabanis and Heine). 
COLOMBIAN CRESTED ANTSHRIKE. 
Adult male—Pileum (including well-developed occipital crest) 
black, the forehead (sometimes crown also) streaked with white; 
back, scapulars, and rump plain cinnamon or russet, the scapulars 
and interscapulars with indistinct narrow mesial streaks of darker; 
outer row of scapulars dark brown, broadly edged with white; wing- 
coverts and tertials brownish black, all the former conspicuously 
tipped with white, the latter broadly edged with white or buffy 
white; secondaries and primaries dusky grayish brown (dark hair 
brown), the secondaries and inner primaries edged with light brown, 
the outer primaries edged with whitish; tail black, the rectrices 
broadly tipped with white, the exterior pair with outer web white 
(except basally); sides of head barred with black and white; chin, 
throat, and median portion of chest black, this sometimes continued, 
narrowly or brokenly, along the median line of breast, the feathers 
of chin and throat tipped with white; median under parts (except 
where occupied by the black gular-jugular area, white; lateral 
under parts pale gray anteriorly, passing into light cinnamon or clay 
color posteriorly ; under wing-coverts and broad edgings to inner 
webs of remiges white or buffy white; maxilla brownish black, man- 
dible sometimes more brownish (bluish gray in life 2); legs and feet 
horn color (Gin dried skins); wing, 69-75 (72); culmen, 18-20 (19); 
tarsus, 27-27.5 (27.2); middle toe, 14.5-16 (15.2).¢ 
@ Two specimens, 
81255°—Bull. 50—11——_3 
