360 BULLETIN nO, UNITED STATES NATIONAL MUSEUM. 



Santa Efigenia, Oaxaca). — Boucakd, Proc Zool. Soc. T/hkL, 1883, 447 

 (Tizimin, Yucatan). — Salvin and Godman, Biol. Centr.-Am., Aves, ii, 1888, 

 14.— Richmond, Proc. U. S. Nat. Mus., xvi, 1893, 505 (Rio Escondido, 

 Nicaragua). — Underwood, Ibis, 1896, 438 (Volcan de Miravalles, Costa 

 Rica).— Lantz, Trans. Kansas Acad. Sci. for 1896-97 (1899), 222 (Cayo, British. 

 Honduras). 

 [Oncostoma] rinereigulare Sclater and Salvin, Nom. Av. Neotr., 1873, 45. — 

 Sharpe, Hand-list, iii, 1901, 104. 



ONCOSTOMA OLIVACEUM ( Lawrenc. . 

 LAWRENCE'S BENT-BILLED FLYCATCHER. 



Adults {sexes alike). — Above plain olive-green, the ])ileum very 

 indistinctly streaked with darker; lesser wing-coverts olive-green 

 with central (mostly concealed) portion dusky; middle wing-coverts 

 dusky broadly tipped with olive-yellow; greater coverts dusky, nar- 

 rowly tipped with olive-yellow and edged with olive-green; remiges 

 and rectrices dusky, edged with olive-green, the tertials broadly edged 

 with pale yellow; under parts light olive-yellow, shaded with olive 

 laterally, the chest and throat sometimes obsoletely streaked with 

 pale olive; axillars and under wing-coverts sulphur or primrose yel- 

 low; inner webs of remiges edged with brownish white; bill dusky 

 with pale tomia, the lower base of mandible (usually tip also) pale 

 colored; iris white;* legs and feet brownish (in dried skins). 



Adult maZe.— Length (skins), 90-91 (90.5); wing, 44.5-47 (45.8); 

 tail, 32.5-35.5 (33.3); exposed culmen, 10.5-12 (11.3); tarsus,14-15.5 

 (15); middle toe, 7-7.5 (7.2).^ 



Adult female. — Length (skin), 80; wing, 44; tail, 29.5; exposed 

 culmen, 11.5; tarsus, 14; middle toe, 7.'' 



Panama (Lion Hill wStation) ; Colombia (Bucaramanga) ? 



Todirostruin olivaceum Lawrence, Ibis, iv, Jan., 1862, 12 (Ijon Hill, Panama 



R. R.; coll. G. N. Lawrence). 

 [Todirostruvi] olivaceum Gray, Hand-list, i, 1869, 348, no. 5260. 

 Oncostoma olivacea Lawrence, Ann. Lye. Nat. Hist. N. Y., vii, 1862, 473 (Lion 



Hill).— Bangs, Proc. New Engl. Zool. Club, ii, 1900, 20 (Loma del Leon, 



Panama). 

 Oncostoma olivaceum Sclater and Salvin, Proc. Zool. Soc. Lond., 1864, 358 



(Lion Hill). — (?) Berlepsch, Ibis, 1886, 57 (Bucaramanga, Colombia; crit.) — 



Sclater, Cat. Birds Brit. Mus., xiv, 1888, 77 (Panama, i. e. Lion Hill Station, 



Panama R. R.).- — Salvin and Godman, Biol. Centr.-Am., Aves, ii, 1888, 15. 

 [Oncostoma] olivaceum. Sclater and Salvin, Nom. Av. Neotr., 1873,45. — Sharpe, 



Hand-list, iii, 1901, 104. 



" W. W. Brown, manuscript. 



b Three specimens from Panama. 



<" One specimen from Panama. 



