BIRDS OF NORTH AND MIDDLE AMERICA. 207 
c. Superciliary stripe buff or ochraceous-buff, different from color of throat. 
(Southern Mexico to western Panama.)..Kenicopsis variegaticeps (p. 207). 
ce. Superciliary stripe pale yellowish buff, concolor with throat. 
d. Throat pale dull buffy or buffy whitish. 
e. Chest broadly streaked or flammulated with pale buffy; color of pileum 
browne. (Colombia to Peru and Bolivia.) 
Xenicopsis striaticollis (extralimital).¢ 
ee. Chest plain light buffy brown, or with very indistinct (obsolescent) 
streaks; color of pileum more olivaceous. (Western Colombia to 
Ecuadér and Bolivia.).......-. Xenicopsis temporalis (extralimital).° 
dd. Throat light buff-yellow. (Santa Marta district of Colombia.) 
Xenicopsis anxius (extralimital).¢ 
bb. Hindneck, upper back, and chest, conspicuously streaked; upper tail-coverts 
chestnut, like tail. (Xenicopsts 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 Ecuadér.) 
Xenicopsis subalaris subalaris, adults (extralimital).¢ 
ce. 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. (Costa Rica and Panamé.) 
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 alike).—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 montanus Tschudi, Fauna Peruana, Aves, 1845, 240, pl. 20, fig. 1.— 
(2?) I[poborus] montanus Cabanis and Heine, Mus. Hein., ii, 1859, 31 (‘‘ Brasilien, ” i.e., 
Bolivia).—(?) Philydor montanus Taczanowski, Proc. Zool. Soc. Lond., 1874, 528 
(centr. Peru); Orn. du Pérou, ii, 1884, 153.—Anabates striaticollis Sclater, Proc. Zool. 
Soc. Lond., June 6, 1857, 17 (Bogoté, 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.—[Xenicopsis] 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. Birds, 1862, 
159; Cat. Birds Brit. Mus., xv, 1890, 107.—[Xenicopsis] temporalis Sharpe, Hand-list, 
iii, 1901, 70. 
¢ Xenicopsis anzius 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 O. Bangs). 
@ Anabates subalaris Sclater, Proc. Zool. Soc. Lond., Aug., 1859, 141 (Pallatanga, w. 
Ecuadér; coll. P. L. Sclater).—Anabazenops subalarts Sclater, Cat. Am. Birds, 1862, 
159; Cat. Birds Brit. Mus., xv, 1890, 108, part.—(?) Anabazenops mentalis Taczanowski 
and Berlepsch, Proc. Zool. Soc. Lond., June 1, 1885, 96 (Machay, w. Ecuadér; coll. 
Branicki Mus.).—[Xenicopsis] swbalaris Sharpe, Hand-list, iii, 1901, 71, part. 
