186 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
Costa Rica (Navarro, Birris, Azahar, and La Estrella, Cartago; 
Voleén de Irazi; Escazi; Jiménez; Barranca; La Carpintera; 
Guayabo; La Hondura; Juan Vifias; Rio Sticio; Copéy; Dota; Dota 
Mts.; Santa Maria de Dota; Laguaria) and western Panama (Boquete; 
Volean de Chiriqui, 7,500-10,300 ft.; Caribbean slope, Volcan de 
Chiriquf). 
Synallaxis erythrops (not of Sclater, 1860) Lawrencz, Ann. Lyc. N. Y., ix, 1868, 
105 (Barranca, Dota Mts., and Birrfs, Costa Rica)—Franrzius, Journ. fur 
Orn., 1869, 304 (Costa Rica).—Satvin, Proc. Zool. Soc. Lond., 1870, 191 
(Volean de Chiriquf, Panam4; crit.)—Boucarp, Proc. Zool. Soc. Lond., 
1878, 59 (Volc4n de Irazti and Navarro, Costa Rica).—ZELEDON, Anal. Mus. 
Nac. Costa Rica, i, 1887, 113 (Rio Sticio, Costa Rica).—Sanvin and Gop- 
MAN, Biol. Centr.-Am., Aves, ii, 1891, pl. 45, fig. 1. 
[Synallaxis] erythrops Gray, Hand-list, i, 1869, 168, no. 2237.—ScLaTER and 
Savin, Nom. Av. Neotr., 1873, 64, part. 
Siptornis erythrops SctaTeR, Cat. Birds Brit. Mus., xv, 1890, 60, part (Irazi 
distr., Costa Rica; Vole4én de Chiriquf, Panam4).—Sanvin and Gopman, 
Biol. Centr.-Am., Aves, ii, 1891, 151, part (Barranca, Dota Mts., ‘‘Pirris,’’ 
i.e., Birrfs, Irazt, and Navarro, Costa Rica; Volean de Chiriqui, Panam4é).— 
Ferry, Pub. 146, Field Mus. N. H., orn. ser., i, no. 6, 1910, 270 (Guayabo, 
Costa Rica). 
[Siptornis] erythrops SHaRPE, Hand-list, iii, 1901, 59, part (Costa Rica; Panamé). 
Synallaxis rufigenis LAWRENCE, Ann. Lyc. Nat. Hist. N. Y., ix, April, 1868, 105 
(Costa Rica; coll. G. N. Lawrence;=young).—Franvtzivus, Journ. fiir Orn., 
1869, 304 (Costa Rica).—Satvin, Proc. Zool. Soc. Lond., 1870, 191 (Costa 
Rica).—Sciater, Proc. Zool. Soc. Lond., 1874, 19 (monogr.; Costa Rica). 
[Synallaxis] rufigenis ScLaTeR and Satvin, Nom. Av. Neotr., 1873, 64. 
Siptornis rufigenis ScLaTeR, Cat. Birds. Brit. Mus., xv, 1890, 60 (Costa Rica).— 
Sazvin and Gopman, Biol. Centr.-Am., Aves, ii, 1891, 152, pl. 45, fig. 2— 
Banes, Proc. New Engl. Zool. Club, iii, 1902, 43 (Boquete and Volcdin de 
Chiriquf, 4,000-7,500 ft., Panama; crit.). 
[Siptornis] rufigenis Soarre, Hand-list, iii, 1901, 59. 
A[crorchilus] erythrops rufigenis Ripaway, Proc. Biol. Soc. Wash., xxii, April 17, 
1909, 72, in text. 
Acrorchilus erythrops rufigenis CARRIKER, Ann. Carnegie Mus., vi, 1910, 636 
(Costa Rica; crit.; habits). 
Genus SYNALLAXIS Vieillot. 
Synallaxis Vito, Nouv. Dict. d’Hist. Nat., xxiv, 1818, 117 (diagnosis, but no 
type indicated); xxxii, 1819, 309. (Type, S. ruficapilla Vieillot.) 
Anabates Temmincx, Man. d’Om., i, 1820, p. Ixxxii. (Type, ‘‘Rouge-queue de 
la Guiane Buffon= Motacilla guianensis Gmelin.) 
Parulus Sprx, Av. Sp. Nov. Bras., i, 1824, 85. (Type, P. ruficeps Spix=Synal- 
laxis spixi Sclater.) 
(?) Leptoxyura Reicuenpace, Handb. Spec. Orn., 1853, 170. (Type, Certhia 
cinnamomea Gmnelin.) : 
Melanopareia RetcHENBacH, Handb. Spec. Orn., 1853, 164. (Type, Synallaxis 
maximiliani D’Orbigny.) 
(?) Certhiaxis @ Lesson, Compl. Giuvres de Buffon (éd. Lévéque), xx, Apr., 
1847, 287. (Type, Certhia cinnamomea Gmelin.) 
@ From Certhia (xép0eoc, a creeper);+[Synall] avis. 
