(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_.