1. Pachyramphus albescens.

Pachyrhynchus albescens, Gould, MS.

Plate XIV.

P. olivaceo-griseus; alis nigrescenti brunneis, albescenti marginatis; gutture corporeque subtus griseo-albis; alarum tectricibus inferioribus pallidè sulphureis.

Long. tot. 5³⁄₁₂ unc.; alæ, 2⁷⁄₁₂; caudæ, 2⁶⁄₁₂; tarsi, ⁸⁄₁₂; rost. ⁷⁄₁₂.

Head and all the upper surface olive grey; wings blackish brown, the coverts and secondaries broadly margined with dull white; primaries narrowly margined with greyish white; tail blackish brown, the external web of the outer feather white; under surface of the shoulder pale sulphur yellow; throat and under surface greyish white; bill and feet black.

Habitat, Buenos Ayres.

The generic name of Pachyrhynchus Spix, is changed by Mr. G. R. Gray, to Pachyramphus, as the former word is used in entomology.

Birds. Pl. 14.
Pachyramphus albescens.

Birds. Pl. 15.
Pachyramphus minimus.