216 Proceedings of the Biological Society of Washington. 



Myiarchus tubercixlifer nigriceps Sclater. 



Myiarchus nigriceps Sclater, Proc. Zool. Soc. London, 1860, 68 (Palla- 

 tanga, Ecuador; orig. descr.; type now in coll. Brit. Mus.), 295 (Esmeral- 

 das, Ecuador). — Sclater, Cat. Am. Birds, 1862, 234 (Pallatanga and 

 Esmeraldas, Ecuador). — Coues, Proc. Acad. Nat. Sci. Philadelphia, 

 1872, 75 (Quito, Ecuador; Sclater's references; descr.; crit.). — Sclater 

 and Salvin, Nom. Avium Neotrop., 1873, 52, part (Ecuador and Colom- 

 bia, in range). — Giebel, Thes. Orn., II, 1875, 661, part (ref. orig. descr.). 

 — Salvin, Cat. Strickland Coll., 1882, 316 (Sclater's reference; crit.). — 

 VON Berlepsch, Ibis, 1883, 140, in text (range; crit.). — von Berlepsch 

 and Taczanowski, Proc. Zool. Soc. London, 1883, 559 (Chimbo, Ecua- 

 dor). — VON Berlepsch, Journ. f. Orn., XXXII, 1884, 304, in text 

 (range; crit.). — von Berlepsch and Taczanowski, Proc. Zool. Soc. Lon- 

 don, 1884, 297 (Bugnac, Ecuador). — Sclater, Cat. Birds Brit. Mus., 

 XIV, 1888, 258, part (localities in western Ecuador; descr.; references). — 

 Salvin and Godman, Biol. Centr.-Am., Aves, II, 1889, 96, part (refer- 

 ences; range). — Hartert, Nov. Zool., V, 1898, 488 (Chimbo and 

 Paramba, Ecuador). — Salvadori and Festa, Bol. Mus. Zool. ed Anat. 

 Comp. Torino, XIV, No. 362, 1899, 13 (La Concepcion and Niebli, 

 Ecuador; references). — Goodfellow, Ibis, 1901, 707 (Intag and Gualea, 

 Ecuador). — Sharpe, Hand-List Birds, III, 1901, 146, part (in list of 

 species; range). — Dubois, Syn. Avium, I, 1902, 251, part (references; 

 range). — Hellmayr, Nov. Zool., XIII, 1906, 26, part (localities in Ecua- 

 dor), 324, part (crit.).— Ridgway, Bull. U. S. Nat. Mus., No. 50, IV , 

 1907, 613, 650, part (references; range). — von Berlepsch, Ornis, XIV, 

 1907, 477 (in list of species). — Menegaux, Mission Service Geog. Mes. 

 Arc. M^ridien Equat. Amer. du Sud, IX, i, 1911, B 58 (Gualea and Santo 

 Domingo, Ecuador; references). — Hellmayr, Proc. Zool. Soc. London, 

 1911, 1137 (Pueblo Rico and Noanama, Colombia; crit.). — Brabourne 

 and Chubb, Birds S. Am., I, 1912, 303 (ref. orig. descr.; range). 



Pyrocephalus nigriceps Gray, Hand-List Birds, 1, 1869, 363 (in list of species; 

 range). 



Myiarchus lawrencii var. nigriceps Ridgway, Am. Journ. Sci. and Arts, 

 (3), IV, 1872, 455 (crit.). 



Myiarchus tristis var. nigriceps Baird, Brewer, and Ridgway, Hist. N. 

 Am. Birds, II, 1874, 333 (diag.; range; crit.). 



Myiarchus tuberculifer nigriceps Hellmayr and von Seilern, Arch. f. 

 Naturg., LXXVIII, 1912, 85, in text (range; crit.). — Chapman, Bull. 

 Am. Mus. Nat. Hist., XXXVI, 1917, 477 (Alto Bonito, Dabeiba, Juntas 

 de Tamand, San Jos6, Rio Frio, and Call, Colombia; Ecuador; crit.). — 

 Hellmayr, Arch. f. Naturg., LXXXV, 1920, 59, in text (range; meas.; 

 crit.). 



Subspedfic characters. — Similar to Myiarchus tuberculifer tuberculifer, 

 but upper parts brighter green (near olive citrine), pileum deeper black, 

 sides of head darker, and under parts averaging brighter yellow. 



Measurements. — Male: wing, 73-81 (average, 77.5); tail, 67-77 (72); 



