BIRDS OF NORTH AND MIDDLE AMERICA. 19 



much rounded, the longest primaries but little longer than sec- 

 ondaries; sixth and seventh or fifth, sixth, and seventh, primaries 

 longest, the tenth (outermost) about three-fifths as long as the 

 longest. Tail about as long as wing, graduated for about one-third 

 its length, the rectrices (12) rather broad and rounded terminally. 

 Tarsus more than one- third as long as wing (about as long as bill 

 from rictus to tip of maxilla), rather slender, distinctly scutellate, 

 the plantar scutella in two parallel, contiguous rows; middle toe, 

 with claw, much shorter than tarsus; outer toe (without claw) 

 reaching to or beyond middle of subterminal phalanx of middle toe, 

 the inner decidedly shorter, reaching (without claw) about to sub- 

 terminal articulation of middle toe; hallux about as long as inner 

 toe but much stouter; middle toe united to outer toe for whole of 

 its basal phalanx, to inner toe for about half as much; claws mod- 

 erate, strongly curved, that of hallux decidedly shorter than the 

 digit. Plumage full, blended, moderately lax, that of the rump 

 much developed; pileum with a full decumbent crest of broad, 

 rounded feathers. 



Coloration. — Adult male black, the upper parts (except pileum) 

 narrowly, the under parts more broadly, barred with white; adult 

 female with pileum chestnut, the rest of plumage barred with chest- 

 nut or brown and buffy or pale fulvous. 



Range. — Nicaragua to Peru and lower Amazon Valley. (Mono- 

 typic.) 



CYMBILAIMUS LINEATUS FASCIATUS Ridgway. 



FASCIATED ANTSHRIKE. 



Similar to C. I. lineatus "■ but averaging decidedly larger; adult 

 male with black bars on under parts averaging decidedly broader 

 (especially on throat), the adult female and young with under parts 

 much more strongly buffy and (usually, at least,) more heavily barred. 



Adult male. — Pileum black, the forehead (sometimes crown and 

 occiput also) narrowly barred with white; rest of upper parts black, 

 narrowly and rather distantly barred with white, the outer webs of 

 primaries and distal secondaries with small spots of white in trans- 

 verse series; sides of head and neck and entire under parts sharply 

 barred with black and white, the bars of the two colors about equal 

 in width; maxilla black, mandible pale grayish or dull yellowish 

 (pale bluish gray, with whitish tip, in life); iris carmine red; legs 

 and feet grayish or horn color (light bluish gray in life); length 



"- Lanius lineatus Leach, Zool. Misc., i, 1815, 20, pi. 6 (Guiana). — Thamnophilus 

 lineatus Vieillot, Nouv. Diet. d'Hist. Nat., iii, 1816, 316. — C[ymbilaimvs] lineattis 

 Gray, List Gen. Birds, 1841, 49. — Cymhilannis lineatus Sclater, Proc. Zool. Soc, Lond., 

 1854, 112; Cat. Birds Brit. Mus., xv, 1890, 178, part. — Cymbilanius lineatus lineatus 

 Hellmayr, Novit. Zool., xiv, 1907, 60, 369. (Tropical South America in general, 

 except Pacific Coast district south to Ecuador). 



