BIRDS OF NORTH AND MIDDLE AMERICA. 



367 



by a narrow extension of black; rest of under parts, including axillars 

 and under wing-coverts, plain canary yellow; inner webs of reniiges 

 edged with brownish white; bill })lack; iris brown;" legs and feet 

 dusky (in dried skins). 



Adult male.— Length (skins), 72.5-<S1.5 (75); wing, 37-40.5 (38.6); 

 tail, 23.5-26.5 (25.5); exposed culmen, 11-12.5 (11.8); tarsus, 14.5- 

 15.5 (15.1); middle toe, 7.5-8.5 (7.6).^ 



Adult female.— Length (skins), 65-83 (74); wing, 37.5-38 (37.7); 

 tail, 23-24 (23.5); exposed culmen, 11.5-12 (11.7); tarsus, 15; 

 middle toe, 7.5-8 (7.7).^^ 



Costa Rica (Angostura; Jimenez; Cariblanco de Sarapique; 

 Bonilla; Reventazon) and southward through Panama (Lion Hill; 

 Panama) tlnd Colombia (Turbo; Bonda; Santa Marta) to Ecuador 

 (Quito; Rio Napo). 



Todirostnnn nigriceps ISclater, Proc. Zool. Soc. Lond., May 16, 1855, 66, pi. 84, 

 fig. 1 (Santa Marta, Colombia; coll. P. L. Sclater); Cat. Am. Birds, 1862, 207 

 (Santa Marta); Cat. Birds Brit. Mas., xiv, 1888, 72 (Panama; Santa Marta; 

 Rio Napo, e. Ecuador).— Cassin, Proc. Ac. Nat. Sci. Phila., 1860, 144 (Turbo, 

 Colombia). — Lawrence, Ann. Lye. N. Y., vii, 1862, 330 (Lion Hill, Panama 

 R. R.); ix, 1868, 110 (Angostura, Costa Rica). — Sclater and Salvin, Proc. 

 Zool. Soc. Lond., 1864, 358 (Lion Hill; crit.) — Frantzius, Journ. fiir Orn., 

 1869, 307 (Costa Rica). — Salvin and Godman, Biol. Centr.-Am., Aves, ii, 

 1888, 13 (Angostiu-a, Costa Rica; Lion Hill, Panama; Santa Marta and Turbo, 

 Colombia; Ecuador). — Bangs, Proc. Biol. Soc. Wa.'ih., xii, 1898, 135 (Santa 

 Marta).— Allen, Bull. Am. Mus. N. H., xiii, 1900, 150 (B(mda, Santa Marta); 

 xxi, 1905, 286 (Bonda; descr. nest and eggs). 



Tod[irostru.7n] nigriceps Sclater, Proc. Zool. Soc. Lond., 1857, 84. 



I Todirostrum] nigriceps Gray, Hand-list, i, 1869, 348, no. 5248. — Sclater and 

 Salvin, Norn. Av. Neotr., 1873, 45.— Sharpe, Hand-list, iii, 1901, 103. 



Triccus nigriceps Cabanis and Heine, Mus. Hein., ii, 1859, 49. 



TODIROSTRUM SCHISTACEICEPS Sclater. 

 SLATE-HEADED TODY-FLYCATCHER. 



Adults (sexes alike). — Pileum slate color or blackish slate passing 

 into lighter slate color on hindneck, the feathers with indistinct 

 mesial streaks of darker; back, scapulars, rump, upper tail-coverts, 



« Carmiol, manuscript. 

 & Seven specimens. 

 c Two specimens (from Costa Rica). 



Specimens from Costa Rica compare with those fmiii Panama in average measure- 

 ments as follows: 



I can not detect any color differences. Specimens examined from Colombia and 

 Ecuador are not sexed. 



