Todd — Studies in the Tyrannida. 177 



Biol. Centr.-Am., Aves, II, 1888, 23, in text (diag.; range). — G(eldi, 

 Aves do Brasil, 1894, 328 (Organ Mts., Brazil). — Kcenigswald, Journ. 

 f. Orn., XLIV, 1896, 357 (Sao Paulo, Brazil, ex Burmeister and von 

 Pelzeln). — von Ihering, Rev. Mus. Paulista, III, 1898, 190 (Iguape, Tiet6, 

 and Ypiranga, Brazil; Brazilian references and range; diag.). — von 

 Ihering, Proc. Zool. Soc. London, 1899, 513 (local range in Brazil). — 

 VON Ihering, Rev. Mus. Paulista, IV, 1900, 155 (Cantagallo and Nova 

 Friburgo, Brazil).— Sharpe, Hand-List Birds, III, 1901, 114 (range). — 

 DtJBOiiS, Syn. Avium, I, 1902, 237 (references; range). — von Ihering, 

 Rev. Mus. Paulista, V, 1902, 313 (Sao Paulo, Brazil). — von Ihering, 

 Auk, XXI, 1904, 314, in text (Brazil; nest). — Hagmann, Bol. Mus. 

 GcELDi, IV, 1904, 243 (Burmeister's reference), 284 (von Pelzeln's 

 reference). — von Ihering, Rev. Mus. Paulista, VI , 1904, 325 (Paraguay, 

 ex Bertoni). — von Ihering, Aves do Brazil, 1907, 277 (Estado do Sao 

 Paulo, Ypiranga, Itatiba, Tiet6, Iguape, and Ubatuba, Brazil; range). — 

 Hartert and Venturi, Nov. Zool., XVI, 1909, 200 (Iguazu, Misiones, 

 Argentina). — Chubb, Ibis, 1910, 581 (Sapucay, Paraguay, crit.). — Bra- 

 BOTTRNE and Chubb, Birds S. Am., I, 1912, 284 (ref . orig. descr. ; range). — 

 Dabbene, Physis, I, 1914, 342 (Santa Ana, Argentina). — Hellmayr, 

 Verb. Orn. Ges. Bayern, XII, 1915, 134 (Espirito Santo, Brazil; crit.). 



Elania rufiventris Gray, Gen. Birds, III, 1849, Appendix, 11 (in list of 

 species) . 



Pipromorpha rufiventris Cabanis and Heine, Mus. Heineanum, II, 1859, 

 56 (Brazil; references). — Cabanis, Journ. f. Orn., XXII, 1874, 88 

 (Cantagallo, Brazil).— Giebel, Thes. Orn., Ill, 1877, 203 (syn.).— Heine 

 and Reichenow, Nom. Mus. Heineani Orn.. 1883, 141 (Brazil). — Ridg- 

 WAY, Bull. U. S. Nat. Mus., No. 50, IV, 1907, 454 (diag.; range; refer- 

 ences). — Dabbene, An. Mus. Nac. Buenos Aires, (3), XI, 1910, 332 

 (Misiones, Argentina; local range). 



Elainia rufiventris Gray, Hand-List Birds, I, 1869, 355 (range). 



Hemitriscus (sic) barbarence Bertoni, Aves Nuevas del Paraguay, 1901, 124 

 (Puerto Bertoni. lat. 25° 47', Paraguay; orig. descr.; type in coll. — (?); 

 habits. 



Hemitriccus barbarence Richmond, Auk, XIX, 1902, 416 (ref. orig. descr.). 

 — Lynch-Arribalzaga, An. Mus. Nac. Buenos Aires, VII, 1902, 365, 387 

 (crit.). 



Description. — Adult: back plain olive green; wings and tail dull brown, 

 externally dark citrine; pileum and hindneck neutral gray, more or less 

 washed with olive green ; sides of head neutral gray without greenish tinge ; 

 throat also neutral gray, sometimes with a huffy or rufescent wash, passing 

 into rich yellow ocher on the rest of the lower parts and under wing-coverts, 

 becoming brighter and purer on the crissum : "iris brown ; feet plumbeous; " 

 bill brown above, pale below. (Young not seen). 



Measurements.— Male (five specimens): wing, 67-72 (70); tail, 53-57 

 (55); bill, 11-12.5 (11.7); tarsus, 16-17 (16.5). (No female specimens 

 examined.; 



