BIRDS OF NORTH AND MIDDLE AMERICA. 93 
Bull. Mus. Comp. Zool., xlvi, 1905, 150 (San Miguél I., Bay of Panamé4); 
xlvi, 1906, 217 (Sabana de Panama). 
[Cercomacra] nigricans ScuatER and Savin, Nom. Ay. Neotr., 1873, 73.—Suarpe, 
Hand-list, iii, 1901, 29 (Panama to Ecuadér). 
Pyriglena maculicaudis ScLatER, Proc. Zool. Soc. Lond., 1858, 66, 247 (Trinid4d; 
coll. P. L. Sclater); Cat. Am. Birds, 1862, 185 (do.).—Lawrencg, Ann. Lyc. 
“ N. Y., vii, 1862, 325 (Lion Hill, Panam4).—Scrarer and Satvin, Proc. 
Zool. Soc. Lond., 1864, 356 (Lion Hill; crit.). 
[Cercomacra] maculicaudis ScraterR and Savin, Nom. Av. Neotr., 1873, 73. 
Cercomacra maculicaudis Scuater, Cat. B. Brit. Mus., xv, 1890, 268 (Paraiso 
Station and Panam4, Panamé; Bogot4; Trinidid).—Harrert, Novit. Zool., 
v, 1898, 492 (Chimbo, 1,000 ft., n. w. Ecuadér; crit.).—Banes, Auk, xviii, 
1901, 30 (San Miguel I., Bay of Panama). 
Cercomacra maculicauda BANGs, Proc. New Engl. Zool. Club, ii, 1900, 24 (Loma 
del Leén, Panama). 
Cercomacra maculosa ScuaTER, Proc. Zool. Soc. Lond., 1860, 279 (Babahoyo, w. 
Ecuadér; 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 alule (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); lene+h (skins), 117-139 (1382); 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 female—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 
@ Nine specimens. 
