758 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



e. More broAvnish olive above; throat and chest more brownish olive, in 

 stronger contrast with paler and more yellowish olive of other under parts. 

 (Southern Mexico to northwestern and central Honduras.) 



Scotothorus verae-pacis verae-pacis (p. 758) 

 ee. More greenish olive above; throat and chest less brownish olive, less 

 strongly contrasted with darker and less yellowish olive of other under 

 parts. (Coast of British Honduras to Panama. ) 



Scotothorus verae-pacis dumicola (p. 759) 



bh. Tluoat and chest not distinctly different in color from under parts of body or 



else the former paler and more yellowish. 



c. Above olive or brownish olive, beneath deep olive or light grayish olive. 



d. Above medium olive; beneath light grayish olive, deeper and browner on 



chest and lower throat; V)ill smaller, tail relatively much shorter (" exposed 



culmen 12, wing 90, tail G3 mm.). (Briti.^li (iuiana to lower Amazon 



Valley.) Scotothorus wallacii (extralimital) " 



iJd. Above dark olive or sepia; beneath nearly uniform deep olive, the chest 

 and lower throat slightly darker but not browner ; bill larger, tail relatively 

 longer (exposed culmen 16, wing 89.5, tail 66.5). (Panama.) 



Scotothorus furvus (p. 761) 

 cc. Above greenish olive, beneath lighter greenish olive. 



d. Much darker throughout; wing, tail, and larsus decidedly shorter (wing 82.5, 

 tail 59, tarsus 21). (Northern Ecuador.) 



Scotothorus rosenbergi (extralimital) ^ 

 dd. Much lighter throughout; wing, tail, and tarsus decidedly longer (wing 88, 



tail 62, tarsus 22). (Venezuela.) Scotothorus olivaceus (extralimital) c 



aa. Upper parts (except wings and tail) uniform olive-green. (Southeastern Brazil.) 



Scotothorus unicolor (extralimital)'^ 



SCOTOTHORUS VER^-PACIS VERiE-PACIS (Sclater). 

 BROWN MAN AKIN. 



Adults (sexes alike). — Above (including sides of head and neck) 

 plain bright bister or sepia brown or russet-olive, slightly darker on 

 pileum, slightly paler and more olivaceous on rump; wings and tail 



ci Heteropelma wallacii Sclater and Salvin, Proc. Zool. Soc. Lond., 1867, 579 (Par^ 

 Brazil; coll. P. L. Sclater); Sclater, Cat. Birds Brit. Mus., xiv, 1888, 319, pi. 20.— 

 Scotothorus ualladi Oberholser, Proc. Ac. Nat. Sci. Phila., June 2, 1899, 209. 



b Heteropelma avtazonum (not of Sclater, 1860) Sclater, Cat. Birds Brit. Mus., xiv, 

 1888, 320, part (Balzar Mts. , w. Ecuador) . — Heterofelvia rosenbergi Hartert, Novit. Zool. , 

 V, Dec, 1898, 489 (Cachavi,n. w. Ecuador; coll. TringMus.); Salvadori and Festa, Boll. 

 Mus. Zool. Torino, xv, no. 362, 1899, 15 (Foreste del Rio Peripa, n. w. Ecuador). — 

 [Scotothorus'] rosenbergi Sharpe, Hand-list, iii, 1901, 159. 



<■(??) Scotothorus wallacci (not Heteropelma wallacii Sclater and Salvin??) Berlepsch 

 and Hartert, Novit. Zool., ix, Apr., 1902, 54 (Nicare and La Pricion, Caura River, 

 Venezviela; crit.). — Scotothorus olivaceus Ridgway, Proc. Biol. Soc. Wash., xix. 1906, 

 118 (Rio Mato, Venezuela; coll. Am. Mus. N. H.). 



^Muscicapa virescens (not of Temminck, 1824) Maxiinilian, Beitr. Naturg. Bras., iii, 

 pt. 2, 1831, 802 (Arrayal da Conqviista, int. Province of Bahia, s. e. Brazil; type now 

 in Am. Mus. N. H.). — Ptil[ochloris] virescens Lafresnaye, Rev. Zool., 1838, 238. — 

 Heteropelma virescens Sclater, Proc. Zool. Soc. Lond., 1860, 467; Cat. Birds Brit. Mus., 

 xiv, 1888, 321. — [Heteropelma] unicolor Bonaparte, Consp. Voluc. Anisod., 1854, 4 

 (new name for Muscicapa virescens Maximilian, preoccupied). — Scotothorus unicolor 

 Oberholser, Proc. Ac. Nat. Sci. Phila., June 2, 1899, 209. — Pijva morenoaua Bertoni, 

 Av. Nuev. Parag., 1901, 104 (Paraguay; see Ihering, Rev. Mus. Paul., vi, 1904, 326). 



