^00 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



claws rather large, strongly curved, that of the hallux shorter than 

 the digit. 



Coloration. — Olive-brown (paler below), the upper tail-coverts and 

 tail chestnut; pileum, hindneck, and back more dusky, narrowly 

 streaked with paler; chin and throat buff, the chest indistinctly 

 streaked or flammulated with the same. 



Range. — Costa Rica and western Panama. (Monotypic.) 



HYLOCTISTES VIRGATUS (Lawrence). 



STRIPED HYLOCTISTES. 



Adults (sexes alike). — Pileum and hin(lneck dark sooty brown or 

 brownish black, broadly streaked with pale olive, each feather with a 

 narrow shaft-streak of pale buffy; back and scapulars olive-brown, 

 sometimes suffused with dusky, usually narrowly streaked (at least 

 on upper back) with pale buffy; lower rump, upper tail-coverts, and 

 tail chestnut; wings chestnut-brown, usually lighter and more 

 rufescent on basal portion of primaries; sides of head rather broadly 

 streaked with dull grayish buff and dusky; chin and throat buff, the 

 feathers usually edged or margined (more or less distinctly) with 

 olive or dusky, at least on lower throat; rest of under parts light 

 buffy olive, passing into a more rufescent hue on under tail-coverts, 

 the chest, upper breast, and sides (especially the first) more or less 

 distinctly streaked with paler (dull buffy); under wing-coverts and 

 broad edging to inner webs of remiges ochraceous-buff; maxilla 

 dark horn color (sometimes nearly black on culmen), mandible paler, 

 especially on under side; iris brown; legs and feet horn color (in dried 

 skins). 



Adult male. —Leiigili (skins), 158-188 (165); wing, 79.5-86.5 (83.5); 

 tail, 65-70 (67.7); culmen, 22-24.5 (23.4); tarsus, 19-21 (20.1); 

 middle toe, 15.5-16.5 (15.9).« 



Adult female.— L&ngth. (skins), 152-190 (170); wing, 79-85.5 

 (82); tail, 63-73 (69.2); culmen, 21-24.5 (23.2); tarsus, 19.5-21.5 

 (20.5); middle toe, 15-16.5 (15.7).'' 



Costa Rica (Angostura; San Carlos; Jimenez; Carrillo; El Hogar; 

 La Cristina; Pozo del Rio Grande; Pozo del Pital; El Pozo de 

 Terraba; Palmar; Boruca; La Vijagua) and Panama (Nata, Code). 



PMlydor virgatus Lawrence, Ann. Lye. Nat. Hist. N. Y., viii, May, 1867, 468 

 (Angostura, Costa Rica; colL U. S. Nat. Mus.); ix, 1868, 106 (Angostura). — 

 Frantzius, Journ. f iir Orn., 1869, 304 (Costa Rica). — Berlepsch, Proc. U. S. 

 Nat. Mus., xi, 1888, 565 (crit.).— Sclater, Cat. Birds Brit. Mus., xv, 1890, 96, 



« Ten specimens from Costa Rica. An adult male from NatA, Cocl^, Panamd, 

 measures as follows: Length (t^kin), 164; wing, 84; tail, 69; tarsus, 21; middle toe, 16.. 

 The bill is broken. 



b Eight specimens from Costa Rica. 



