_Description._--Above grey, faintly washed with olive; greater wing-coverts tipped with white; wing-feathers blackish, edged with grey; tail blackish grey, the two outer feathers on each side tipped with white, and on the outer feather the white extending down the outer web to the base of the tail; superciliary stripe and whole under surface light chestnut, paler on the abdomen; under tail-coverts buff: total length 5·5 inches, wing 2·5, tail 2·3. _Hab._ Northern Argentina. This pretty species is another of White's discoveries. He first met with it in the Sierra of Totoral, Catamarca, and subsequently about 20 miles north of Buenos Ayres. 62. POOSPIZA ASSIMILIS, Cab. (RED-FLANKED WARBLING FINCH.) +Poospiza assimilis+, _Cab. Mus. Hein._ i. p. 137; _White, P. Z. S._ 1882, p. 599 (Misiones). +Poospiza lateralis+, _Barrows, Bull. Nutt. Orn. Cl._ viii. p. 130 (Concepcion). _Description._--Above grey, slight superciliary mark whitish; middle of back and wings washed with rufous; rump bright rufous; tail blackish, two lateral pairs of rectrices broadly tipped with white; beneath grey, white in the middle of the belly; flanks and crissum bright rufous; under wing-coverts greyish white; bill horn-colour, lower mandible yellowish; feet pale brown; whole length 5·0 inches, wing 2·5, tail 2·4. _Hab._ Northern Argentina. White found this species abundant amongst the thick weeds and grass in the outskirts of Concepcion. He took it for _P. thoracica_, from which it differs in its rufous rump. It is more like _P. lateralis_. 63. POOSPIZA ORNATA (Landb.). (PRETTY WARBLING FINCH.) +Phrygilus ornatus+, _Landb. Journ. f. Orn._ 1865, p. 405. +Poospiza ornata+, _Scl. et Salv. Nomencl._ p. 30. _Description._--Above grey; back more or less varied with chestnut; long superciliaries ochreous white; wings blackish, coverts edged with white, tail black, lateral rectrices broadly tipped with white; beneath dark chestnut, lighter on the middle of the belly; bill and feet dark brown; whole length 5·2 inches, wing 2·4, tail 2·3. _Female_ similar, but paler in colour, especially below. _Hab._ Mendoza. 64. POOSPIZA TORQUATA (d'Orb. et Lafr.). (RINGED WARBLING FINCH.) +Poospiza torquata+, _Burm. La-Plata Reise_, ii. p. 484 (Mendoza); _Scl. et Salv. Nomencl._ p. 30; _White, P. Z. S._ 1882, p. 599 (Santiago del Estero); _Döring, Exp. al Rio Negro, Zool._ p. 38 (R. Colorado). _Description._--Above grey; wings blackish, the greater wing-coverts tipped with white; tail-feathers black, the two outer on each side tipped with white; from the bill, a broad white stripe extends above the eye to the nape; crown grey; sides of head black; beneath white, the chest crossed with a broad black band; under tail-coverts rufous: total length 5·3 inches, wing 2·5, tail 2·3. _Hab._ Bolivia and Argentina.