Spermophila nigrogularis. Gould.
S. capite corporeque supra, alis caudâque fusco cinereis; loris gulâque nigris; lineis à rostri angulis per collum utrinque descendentibus, pectore abdomineque mediis, tegminibusque caudalibus inferioribus cinereo albis.
Fem.? supra olivaceo fusca, subtus pallidior.
Long. tot. 3 unc.; alæ, 2¼; caudæ, 2; tarsi, ⅝; rostri, ⁵⁄₁₆.
Male.—Head, all the upper surface, wings and tail, brownish grey; lores and throat black; lines from the angle of the bill down each side of the neck, centre of the chest and abdomen, and the under tail coverts greyish white; bill light horn colour; feet dark brown.
Female?—The whole of the plumage olive brown above, and lighter beneath; bill and feet brown.
Habitat, Monte Video. (November.)
1. Crithagra? brasiliensis.
Fringilla Brasiliensis, Spix, Av. Sp. Nov. ii. t. lxi. f. 1. m. 2. fem. p. 47.
My specimens were obtained from the northern bank of the Plata, in the months of June and November.