(PLUMBEOUS RAIL.)
Aramides nigricans, Burm. La-Plata Reise, ii. p. 504. Rallus nigricans, Scl. et Salv. P. Z. S. 1868, p. 446; iid. Nomencl. p. 139.
Description.—Above olivaceous brown; front, side of the head, and body beneath plumbeous; throat whitish; lower belly, thighs, and tail blackish; bill straight, uniform dark greenish: whole length 10·0 inches, wing 5·3, tail 2·8. Female similar.
Hab. South Brazil, Paraguay, and Northern Argentina.
This Rail is said by Dr. Burmeister to occur near Buenos Ayres, but the bird taken for this species by Durnford (Ibis, 1877, p. 193; 1878, p. 66) appears to have been R. rhytirhynchus.
[373.] ARAMIDES YPECAHA (Vieill.).
(YPECAHA RAIL.)
Aramides gigas, Burm. La-Plata Reise, ii. p. 504 (Paraná). Aramides ypecaha, Scl. et Salv. Nomencl. p. 139; iid. P. Z. S. 1868, pp. 144, 448; Hudson, P. Z. S. 1876, p. 105 (Buenos Ayres); Durnford, Ibis, 1877, p. 194 (Buenos Ayres); Barrows, Auk, 1884, p. 276 (Entrerios).
Description.—Above olive-green; neck red; front cinereous; rump and tail black: beneath, throat white, breast and neck cinereous; abdomen rosy red, lower belly and thighs grey; flanks and crissum black; under wing-coverts rufous, with black cross bars; bill yellow; feet red: whole length 19·0 inches, wing 8·5, tail 3·3. Female similar.
Hab. Brazil, Paraguay, and Argentina.