to that of the males, but never acquires the lengthened tail-feathers ; a conclusion arrived at in consequence at S» frequently sent from Cayenne in this state, which after all may be that of immature of specimens being males. Head, lores, and a broad crescentic band passing down the sides of the neck and across the lower part of the throat deep velvety black ; throat, within the black, lustrous greenish yellow, with a rich golden or topaz hue down the centre; back and wing-coverts rich deep red, passing into orange-red on the scapularies and lower part of the back ; wings purplish brown ; under wing-coverts and base of the secondaries beneath rufous; upper tail-coverts and two centre tail-feathers bronzy green, the next tail-feather on each side brownish black, about half the breadth and thrice the length of the other tail-feathers, and with their basal third hidden by the central feathers; three outer feathers on each side reddish buff; across the breast a broad band of rich deep crimson ; abdomen and flanks paler shining crimson; under tail-coverts golden green; thighs white; bill black ; feet yellow. In the female, or young, the head and upper surface is shining green, washed with bronze on the back ; wings purplish brown ; upper tail-coverts bright shining green; two central tail-feathers dark green, tipped with black; two next on each side dull black; the two outer ones on each side dull brown at the base, and rufous for the remainder of their length; under surface golden, with a faint indication of the lustrous throat so conspicuous in the male; under tail-coverts bright green; bill black; feet yellow. The Plate represents two males and a supposed female on a species of Hpidendrum, common to the country the bird inhabits.