BIRDS OF NORTH AND MIDDLE AMERICA. 109 



Drymophila swainsoni Thayer and Bangs, Bull. Mus. Comp. Zool., xlvi, 1906, 



217 (Sabana de Panamd). 

 [Drymophila] swainsoni Sharpe, Hand-list, iii, 1901, 33, part (Colombia; 



Panamtl) . 

 Myrmeciza boucardi (not of Berlepsch) Sclater, Cat. Birds Brit. Mus., xv, 1890, 



279, part (Verdgua; Panama).— Bangs, Proc. Biol. Soc. Wash., xii, 1898, 



138 (Santa Marta, Colombia).— Allen, Bull. Am. Mus. N. H., xiii, 1900, 160 



(Bonda, etc., Santa Marta, Colombia). 

 Myrmeciza boucardi panamensis Ridgway, Proc. Biol. Soc. ^Vash., xxi, Oct. 20, 



1908, 144 (line of Panama Railway; coll. U. S. Nat. Mus.). 



MYRMECIZA L^MOSTICTA Salvin. 



SALVIN'S ANTBIRD. 



Adult male {= M. stictoptera Lawrence). — Head and neck plain 

 slate-black or blackish slate, becoming black on chin and throat; 

 upper back dark brownish olive, the feathers black centrally and 

 extensively white basally; lower back, rump, and upper tail-coverts 

 dark chestnut or chestnut-brown, the tail similar but slightly darker; 

 lesser and middle wing-coverts black, each with a roundish apical 

 spot of white, some of the coverts along anterior border of wing with 

 outer web wholly white; greater coverts and secondaries dark chest- 

 nut-brown, some of the former with indistinct small apical spots of 

 fulvous; alula and primary-coverts uniform dusky grayish brown; 

 primaries prouts brown, the outermost without white edging; chest, 

 breast, anterior portion of sides, and upper abdomen, deep slate-gray 

 or slate color, the feathers blackish centrally; posterior portion of 

 sides, flanks, and under tail-coverts plain Vandyke brown; maxilla 

 black, mandible brownish (dark bluish horn color in life) ; "■ iris car- 

 mine red, scarlet, or crimson;" legs and feet horn brown (leaden 

 bluish or dark purplish lead color in life);" length (sldns), 120-141 

 (131); wing, 62-65.5 (64.3); tail, 44-49 (46.5); culmen, 17.5-20 (18.5); 

 tarsus, 25.5-28 (26.7); middle toe, 16-18 (17.1).^ 



Adadt female (= M. Isemosticta Salvin). — Similar to the adult male, 

 but throat conspicuously spotted with white, and pileum and limd- 

 neck mostly dark se})ia brown instead of wholly slate-black or 

 blackish slate; length (skins), 121-145 (131); wing, 62.5-65 (63.3); tail, 

 42-49 (44.8); culmen, 17-18.5 (18); tarsus, 26-28 (26.8) ; middle toe, 

 17-18 (17.2).'' 



Costa Rica (Tucurriqui; Angostura; San Carlos; La Florida; Turri- 

 alba;Peralta; Guapiles; Cuabre; Carrillo; La Vijagua; Rio Siicio) and 

 western Panama (Santa Fe de Veragua). 



Myrmeciza Isemosticta Salvin, Proc. Zool. Soc. Lond., 1864 (pub. Apr. 1, 1865) 

 582 (Tucurriqui, Costa Rica; coll. Salvin and Godman); 1867, 145 (Santa F6 

 de Verdgua, Panama; crit.). — Lawrence, Ann. Lye. N. Y., ix, 1868, 109 



a M. A. Carriker, jr., on labels. 

 & Ten specimens, from Costa Rica. 



