460 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Coloration. — Plain olive-green above, duller (sometimes slaty) on 

 pileum; beneath light ^^ellow, streaked on throat, chest, and sides 

 with olive. 



Nidification. — (Unknown ?) " 



Range. — Costa Rica to Peru, Bolivia, and Venezuela. (Two 

 species.) 



KEY TO THE .SPECIES AND SUBSPECIES OF MIONECTES. 



a. Pileum and sides of head dusky grayish, (Hstinclly (hfferent fmiu olive-greon of 

 back, etc. {Mionedes striaticollis.) 

 1). Chest as well as throat dusky gray streaked with white; liindneck slate color, 



like pileum. (Bolivia.) Mionectes striaticoUis striaticollis (extralimital) b 



hh. Chest yellow, with V-shaped marks of olive; hindneck dark olive-greenish. 



(Peru to Colombia.) Mionectes striaticollis poliocephalus (extralimital) c 



na. Pileum and sides of head olive-green like back. ( Mionedfs olirdceiis:) 



b. Olive-gi-een of upper parts darker and duller; throat olive with very narrow 

 streaks of paler. 

 c. Smaller (female averaging wing 63.8, tail 45.9, exposed culmen 12.5); throat 

 more narrowly and much less distinetly streaked. (Costa Rica and Panama.) 



Mionectes olivaceus olivaceus (p. 461). 

 cc. Larger (female averaging wing 67.8, tail 52.5, exposed culmen 13.5); throat 

 more broadly and much more distinctly streaked. (Venezuela.) 



Mionectes olivaceus venezuelensis (extralimital). d 



«Eggs white (Sclater and Salvin, Proc. Zool. Soc. Lond., 1879, 512). 



b M[uscicapa] striaticollis D'Orbigny and Lafresnaye, Mag. de Zool., 1837, Synopsis 

 Avium, i, p. 51 (Yuracai-es, Bolivia). — Muscicapara striaticollis D'Orbigny, Voy. Amer. 

 Merid., Ois., 1839, 323, pi. 35, fig. 2 (Yuracares and Yungas, Bolivia).— [Monec/es] 

 striaticollis Bonaparte, Consp. Av., i, 1850, 187. — Mionectes striaticoUis Sclater and 

 Salvin, Proc. Zool. Soc. Lond., 1879, 613 (Yungas, Yuracares, and Tilotilo, Bolivia); 

 Sclater, Cat. Birds Brit. Mus., xiv, 1888, 111, part (Tilotilo, Boliwm) .—[Elainia] striati- 

 collis Gray, Hand-list, i, 1869, 354, no. 5382. 



c M[ionectes] poliocephalus Tschudi, Fauna Peruana, Aves, 1845-6, 148, pi. 10, fig. 1 

 (Peru). — i.%onectes striaticollis (not Muscicapa striaticollis D'Orbigny and Lafresnaye) 

 Sclater, Pro.. Zool. Soc. Lond., 1859, 144 (Pallatanga, Ecuador); 1860, 93 (Nanegal, 

 w. Ecuador); Cat. Am. Birds, 1862, 213, part (Bogota, Colombia); Cat. Birds Brit. 

 Mus., xiv, 1888, 111, part (Tamiapampa, Peru; Medellin, Santa Elena, and Bogota, 

 Colombia); Taczanowski, Proc. Zool. Soc. Lond., 1874, 535 (Paltaypampa and Mon- 

 terico, centr. Peru); 1879, 233 (Tambillo, n. Peru); 1882, 19 (Chhimoto, Tamiapampa, 

 and Huambo, n. e. Peru); Orn. du Perou, ii, 1884, 244; Sclater and Salvin, Proc. Zool. 

 Soc. Lond., 1879, 512 (Santa Elena, Colombia); Berlepsch and Taczanowski, Proc. 

 Zool. Soc. Lond., 1884, 296 (Sarupata and Chaguarcata, w. Ecuador); Taczanowski 

 and Berlepsch, Proc. Zool. Soc. Lond., 1885, 90 (Mapoto, Machay, and Baiios, Ecuador), 

 120 (Pallatanga, w. Ecuador); Berlepsch and Stolzmann, Proc. Zool. Soc. Lond., 1896, 

 362 (Garita del Sol, La Gloria, and Puyas-Yacu, Peru; crit. ).—M[ionectes] olivaceus 

 (not of Lawrence) Berlepsch, Proc. Zool. Soc. Lond., 1885, 115 (Ecuador). 



It is not unlikely that the Colombian birds are separable, the two specimens exam- 

 ined having the throat considerably darker than a Peruvian specimen. 



d Mionectes striaticollis (not Muscicapa striaticollis D'Orbigny and Lafresnaye) Sclater 

 and Salvin, Proc. Zool. Soc. Lond., 1868, 628 (Venezuela). — Mionectes olivaceus (not of 

 Lawrence) Sclater, Cat. Birds Brit. Mus., xiv, 1888, 112, part (San Esteban, Vene- 

 zuela). — Mionectes olivaceus venezuelensis Ridgway, Proc. Biol. Soc. Wash., xix, 1906, 

 116 (Guacharo, Venezuela; coll. Am. Mus. N. H.). 



