(BROWN-FRONTED SPINE-TAIL.)
+Synallaxis frontalis+, _Scl. et Salv. Nomencl._ p. 63; _Scl. P. Z.
S._ 1874, p. 8; _Salvin, Ibis_, 1880, p. 358 (Salta); _White, P.
Z. S._ 1882, p. 611 (Salta, Catamarca). +Synallaxis ruficapilla+,
_d'Orb. Voy., Ois._ p. 246 (Corrientes); _Burm. La-Plata Reise_,
ii. p. 408 (Paraná).
_Description._--Above, earthy brown; cap chestnut; front earthy
brown; wing-coverts chestnut, wing-feathers olive-brown, the outer
webs edged with chestnut; tail chestnut; beneath, throat blackish,
with slight whitish mottlings; breast, sides, and under tail-coverts
pale earthy brown, belly brownish white; under wing-coverts fulvous;
bill and feet horn-colour: whole length 5·6 inches, wing 2·2, tail
3·0.
_Hab._ South America, from Colombia to Argentina.