AHT. 7 REVISION OF THE GENUS BASILEUTER"US TODD 87 



BASILEUTERUS DELATTRII DELATTRII Bonaparte 



BaHleuterus delattrii Bonaparte. Compt. Rend., vol. 38, 1854, p. 383 (Nica- 

 ragua ; orig. descr. ; type in coll. Paris Mus. [?]). — Sclater ami Salvtn, 

 Ibis, 1860, p. 274 (DueSas, Guatemala). — Solater, Proc. Zool. Soc. Lon- 

 don, 1865, p. 284, part (refs. ; Guatemala, in range). — Salvin, Proc. 

 Zool. Soc. London, 1867, p. 136, in text (Guatemala; crit.). — Salvin and 

 GoDMAN, Biol. Centr.-Amer., Aves, vol. 1, 1881, p. 17G. part (Guatemalan 

 localities and refs. [part] ; de.scr. ; crit.). — Shabpe, Cat. Birds Brit. Mus., 

 vol. 10, 1885, p. 396, exel. syn. part (Calderas, La Trinidad, and Volcan 

 de Agua, Guatemala; descr.; refs.). — Cherrib, Proc. U. S. Nat. Mus., 

 vol. 14, 1891, p. 340 (range; crit.), p. 527 (San Jose, Costa Rica; descr. 

 young). — Cherrie, Auk, vol. 9, 1892, p. 22 (San ,Tos^. Costa Rica; descr. 

 nest and eggs). — Salvin and Godman, Ibis, 1892, p. 326 (Matagalpa and 

 Chinandega, Nicaragua; Guatemalan localities [part] ; crit.). 



Basileuterus delattrei Cabanis, Journ. f. Om., vol. 8, 1860, p. 325 (Costa 

 Rica; crit. ) .— Lantz, Trans. Kansas Acad. Sci., "1896-97," 1899, p. 223 

 (near Granada, Nicaragua). 



Basileuterus mesochrysus (not of Sclater) Baird, Rev. Amer. Birds, 1865, 

 p. 248 (diag. ), p. 250, part (San Jose, Costa Rica: descr.; refs.; crit.). — 

 Lawrence, Ann. Lye. Nat. Hist. N. Y., vol. 9, 1868, p. 95 (San Jos6, 

 Grecia, and Guiatil, Costa Rica). — von Frantzius, Journ. f. Om., vol. 17, 

 1869, p. 294 (San Jos^, Costa Rica). — Boucard, Proc. Zool. Soc. London, 

 1878, p. 52 (San Jose and Cartago, Costa Rica). — Salvin and Godman, 

 Biol. Centr.-Amer., Aves, vol. 1, 1881, p. 176, part (San Jose, Guiatil, 

 Grecia, and Irazfi, Costa Rica; refs.; crit.). — Ridgway, Proc. U. S. Nat. 

 Mus.. vol. 5, 1883. p. 499 (San Jose, Costa Rica ) .— Sharpe, Cat. Birds 

 Brit. Mus., vol. 10, 1885, p. 396. part (Grecia and Irazii. Costa Rica). — 

 Zeledon. An. Mus. Nac. Costa Rica, vol. 1, 1887, p. 107 (San Jose, Ala- 

 juela, Naranjo de Cartago, Grecia, and Monte Redondo, Costa Rica). — 

 Underwood, Ibis. 1896, p. 434 (Miravalles, Costa Rica). 



Basileuterus rufifron^s delattrii Ridgway, Bull. U. S. Nat. Mus., No. 50, vol. 

 2, 1902, p. 749 (descr.: range; refs.). — Dearborn. Field Mus. Orn. Ser., 

 vol. 1, 1907, p. 131 (Patulul and Lake Amatitlan, Guatemala; crit.). — 

 Bangs. Proc. Biol. Soc. Washington, vol. 22, 1909, p. 36, in text (Tenorio 

 and Cerro Sta. Maria, Costa Rica; range). — Carriker. Ann. Carnegie 

 Mus., vol. 6, 1910. p. 798 (Costa Rican localities and refs.; range). — 

 Ferry, Field Mus. Orn. Ser., vol. 1, 1910, p. 277 (Guayabo, Costa Rica; 

 crit. ) . 



Deso'iption. — Pileiim and auriculars clear bay, separated from each 

 other by a broad white superciliary stripe; rest of upper parts olive 

 green, sometimes grayish-tinged on the nape; wings and tail dusky, 

 with narrow outer margins of olive green; lores, circumocular and 

 postocular regions dusky black, except for a white spot below the 

 eye; chin and sometimes a short maxillary spot whitish; under parts 

 lemon yellow, with more or less shading of warbler green on the sides 

 and flanks; under wing-coverts light yellow; inner margins of 

 remiges whitish below ; " iris brown ; feet dusky flesh-color ; bill 

 black '■' ( Carriker ) . 



Young in juvenal dress are dull brownish olive above and on the 

 breast, the abdomen buffy yellowish ; wing-coverts tipped with buffy ; 



