BIRDS OF NOETH AND MIDDLE AMERICA. 119 



d}^^© brown, or approaching seal brown, the upper tail-coverts seal 

 brown or dark chocolate; tail blackish brown or brownish black; 

 shorter under tail-coverts light rufous-chestnut or chestnut-tawny, 

 the longer ones sooty black; under wing-coverts blackish at tip 

 (broadly) and base, ochraceous in middle portion, the axillars simi- 

 larlv marked, but middle portion buff instead of ochraceous; inner 

 webs of remiges crossed near base by a broad but not sharply defined 

 band of dull ochraceous; bill black; legs and feet dusky horn color 

 (in dried skins); length (skin), 168-175 (171); wing, 90.5-94 (92.3); 

 tail, 49-51.5 (50.3); culmen, 23-24.5 (23.7); tarsus, 32; middle toe, 

 20.5-21 (20.7).« 



Adult female. — Similar to the adult male, and probably not always 

 distinguishable, but usually (?) with color of under parts of body 

 slightly tinged with olive, the sides and flanks strongly olivaceous; 

 length (skins), 163.5-164 (163.7); wing, 90-93.5 (91.7); tail, 48.5- 

 49.5 (49); culmen, 24-25.5 (24.7); tarsus, 30-31.5 (30.7); middle 

 toe, 21." 



Costa Rica (Tucurriqui; Carrillo; Cariblanco de Sarapiqui; Cerro 

 de Santa Maria; Buena Vista) and western Panama (Santiago de 

 Veragua). 



Forinicarius analis (not Myothera analis Lafresnaye) Salvin, Proc. Zool. Soc. 

 Lond., 1866, 74, part (Tucurriqui, Costa Rica; Veragua, Panama); 1867, 145 

 (Santa Fe de Veragua, Panamd; crit.). — Lawrence, Ann. Lye. N. Y., ix, 

 1868, 110 (Costa Rica; crit.).— Frantzius, Journ. fur Orn., 1869, 306 (Costa 

 Rica). — Zeledon, Anal. Mus. Nac. Costa Rica, i, 1887, 115 (Costa Rica). — 

 Salvin and Godman, BioL Centr.-Am., Aves, ii, 1892, 235, part (Tucurriqui, 

 Costa Rica; Santiago de Veragua, Panama). 

 [Formicarius] analis Sclater and Salvin, Nom. Av. Neotr., 1873, 75, part. 

 Formicarius nigricapillus " Cherrie ' ' Ridgway, Proc. IT. S. Nat. Mus., xvi, no. 961, 

 Nov. 28, 1893, 675 (Buena Vista, Costa Rica; coU. U. S. Nat. Mus.).— Car- 

 riker, Ann. Carnegie Mus., vi, 1910, 623 (Carrillo, Cariblanco de Sarapiqui, 

 and Cerro de Santa Maria, Costa Rica). 

 [Formicarius] nigricapillus Sharpe, Hand-list, iii, 1901, 38, part (Costa Rica; 



Panama). 

 Formicarius analis nigricapiUus Hartert, Novit. Zool., ix, Dec, 1902, 614 (Cari- 

 blanco de Sarapiqui, Costa Paca; crit.). 



FORMICARIUS MONILIGER MONILIGER Sclater. 



MEXICAN ANTTHRUSH. 



■ Adults {sexes alike). — Pileum dull black, the feathers broadly 

 tipped or terminally margined with prouts brown, this often the 

 prevailing color (the black being mostly concealed); rest of upper 

 parts plain mummy brown, more castaneous (vandyke brown) on 

 lower rump, upper tail-coverts, and hindneck; tail darker and duller 

 brown basally, passing into dull slate-blackish terminally; loral 

 and suborbital regions, anterior half of auricular region, malar region, 



« Two specimen.s, from Costa Rica. 



