BIRDS OF NORTH AND MIDDLE AMERICA. » 93 



Bull. Mus. Comp. Zool., xlvi, 1905, 150 (San Miguel I., Bay of Panama); 



xlvi, 1906, 217 (Sabana de Panama). 

 [Ccrcornacra] nigricans ScLATERand Salvin, Nom. Av. Neotr., 1873, 73. — Sharpe, 



Hand-list, iii, 1901, 29 (Panama to Ecuador). 

 ryriqlaia maculicaudis Sclater, Proc. Zool. Soc. Lond., 1858, 66, 247 (TrinidM; 



coll. P. L. Sclater); Cat. Am. Bii-ds, 1862, 185 (do.).— Lawrence, Ann. Lye. 



N. Y., vii, 1862, 325 (Lion Hill, Panamd).— Sclater and Sai.vin, Proc. 



Zool. Soc. Lond., 1864, 356 (Lion Hill; crit.). 

 [Ctrcomacra] maculicaudis Sclater and Salvin, Nom. Av. Neotr., 1873, 73. 

 Ccrcornacra maculicaudis Sclater, Cat. -B. Brit. Mus., xv, 1890, 268 (Paraiso 



Station and Panama, Panamd; Bogota; Trinidad). — Hartert, Novit. Zool., 



V, 1898, 492 (Chimbo, 1,000 ft., n. w. Ecuador; crit.).— Bangs, Auk, xviii, 



1901, 30 (San Miguel I., Bay of Panama). 

 Ccrcornacra maculicauda Bangs, Proc. New Engl. Zool. Club, ii, 1900, 24 (Loma 



del Leon, Panama). 

 Cercomacra maculosa Sclater, Proc. Zool. Soc. Lond., 1860, 279 (Babahoyo, w. 



Ecuador; coll. P. L. Sclater); Cat. Am. Birds, 1862, 184. 



CERCOMACRA TYRANNINA TYRANNINA (Sclater). 



TYRANNINE ANTBIRD. 



Adult male. — Above plain slate color, sometimes tinged, more or 

 less, with olive on rump and upper tail-coverts, the feathers of inter- 

 scapular region darker centrally and extensively white basally; 

 anterior portion of lesser wing-covert area white, the remaining lesser 

 coverts, together with middle and greater coverts, narrowly tipped 

 or terminally margined with white, the alulae (sometimes outermost 

 primaries also) edged with white; rectrices (except middle pair) 

 usually narrowly tipped with white, this preceded by an indistinct bar 

 or area of dusky; under parts plain slate-gray, sometimes tinged with 

 olive posteriorly; under wing-coverts yellowish white, spotted or 

 mottled with dusky on carpal region; inner webs of remiges broadly 

 edged with yellowish white; bill brownish black or blackish brown; 

 iris brown; legs and feet horn color or dusky (bluish gray or grayish 

 blue in life); len-+i^ (skins), 117-139 (132); wing, 59-64.5 (61.8); 

 tail, 52.5-59 (56.2); culmen, 15.5-17.5 (16.4); tarsus, 21.5-23 (22.6); 

 middle toe, 12.5-13 (12.9).« 



Adult fernale.— Above plain light olive to grayish olive, the tail 

 browner (sepia), the wings also browner, with outer primaries edged 

 with pale clay color or olive-buff, the wing-coverts (in part, at least) 

 more or less distinctly margined terminally or narrowly tipped with 

 the same or pale fulvous; under parts, including sides of head, plain 

 ochraceous or tawny ochraceous, strongly tinged with olive on flanks, 

 the auricular region also tinged or clouded with olive and with very 

 narrow and indistinct shaft-streaks of paler ochraceous; maxilla dusky 

 brown with paler tomium, mandible dull whitish (in dried skins); legs 



o Nine specimens. 



