BIRDS OF NORTH AND MIDDLE AMERICA. 207 



c. Superciliary stripe buff or ochraceous-buff, different from color of throat. 

 (Southern Mexico to western Panama.). .Xenicopsis variegaticeps (p. 207). 

 cc. Superciliary stripe pale yellowish buff, concolor with throat. 

 d. Thi-oat pale dull buffy or buffy whitish. 

 e. Chest broadly streaked or flammulated with pale buffy; color of pileum 

 brownei. (Colombia to Peru and Bolivia.) 



Xenicopsis striaticollis (extralimital).a 



ee. Chest plain light buffy brown, or with very indistinct (obsolescent) 



streaks; color of pileum more olivaceous. (Western Colombia to 



Ecuador and Bolivia.) Xenicopsis temporalis (extralimital).^ 



dd. Throat light buff-yellow. (Santa Marta district of Colombia.) 



Xenicopsis anxius (extralimital).c 

 bb. Hindueck, upper back, and chest, conspicuously streaked; upper tail-coverts 

 chestnut, like tail. (Xeriicopsis subalaris.) 

 c. Pileum and back more distinctly streaked, under parts more broadly streaked, 

 chestnut of upper tail-coverts and tail much darker; slightly smaller. (North- 

 western Colombia to western Ecuador.) 



Xenicopsis subalaris subalaris, adults (extralimital).<^ 

 cc. Pileum and back much less distinctly streaked (the former much browner), 

 under parts more narrowly streaked, and chestnut of upper tail-coverts and 

 tail much lighter; slightly larger, (('osta Rica and Panama.) 



Xenicopsis subalaris lineatus, adults (p. 209). 



aa. Throat and chest tawny or tawny-ochraceous. 



Xenicopsis subalaris lineatus, young (p. 210). 



XENICOPSIS VARIEGATICEPS (Sclater). 



SCALY-THROATED XENICOPSIS. 



Adults (sexes aWke). — Pileum and hindneck grayish olive, the 

 feathers with narrow shaft-streaks of dull whitish or buffy (at least 

 on crown) and very indistinctly margined terminally with dusky; 

 back, scapulars, rump, upper tail-coverts and wings plain brown 

 (between mummy and raw-umber), the secondaries more russet- 



a(?) Anabates montanics Techudi, Fauna Peruana, Aves, 1845, 240, pi. 20, fig. 1. — 

 (?) /[23o6orMs] ?nontanwsCabanis and Heine, Mus.Hein., ii, 1859, 31("Brasilien, " i.e., 

 Bolivia). — (?) Philydor montanus Taczanowski, Proc. Zool. Soc. Lond., 1874, 528 

 (centr. Peru); Orn. du P6rou, ii, 1884, 153. — Anabates striaticollis Sclater, Proc. Zool. 

 Soc. Lond., June 6, 1857, 17 (Bogotd, Colombia; coll. P. L. Sclater). — Philydor striati- 

 collis Sclater, Proc. Zool. Soc. Lond., 1861, 378. — Anabazenops striaticollis Sclater, 

 Cat. Birds Brit. Mus., xv, 1890, 108.— [Xe^iicopsis] striaticollis Sharpe, Hand-list, iii, 

 1901, 71. 



b Anabates temporalis Sclater, Proc. Zool. Soc. Lond., 1859, 141 (Pallatanga, w. 

 Ecuador; coll. P. L. Sclater). — Anabazenops temporalis Sclater, Cat. Am. Bu-ds, 1862, 

 159; Cat. Birds Brit. Mus., xv, 1890, 107 .—[Xenicopsis] temporalis Sharpe, Hand-list, 

 iii, 1901, 70. 



c Xenicopsis anxixis Bangs, Proc. New Engl. Zool. Club, iii, March 31, 1902, 83 

 (Chirua, Sierra Nevada de Santa Marta, Colombia, 7,000 ft.; coll. E. A. and 0. Bangs). 



d Anabates subalaris Sclater, Proc. Zool. Soc. Lond., Aug., 1859, 141 (Pallatanga, w. 

 Ecuad6r; coll. P. L. Sclater). — Anabazenops subalaris Sclater, Cat. Am. Birds, 1862, 

 159; Cat. B\rds Brit. Mus., xv, 1890, 108, part. — (?) Anabazenops mentalis Taczanowski 

 and Berlepsch, Proc. Zool. Soc. Lond., June 1, 1885, 96 (Machay, w. Ecuad6r; coll. 

 Branicki Mus.). — [Xenicopsis] subalaris Sharpe, Hand-list, iii, 1901, 71, part. 



