Adult male. Black; head and neck with a fine purple lustre, rather abruptly defined on the lower part of the neck behind, and succeeded by a fine green lustre which passes into a purple or steel-blue on the lower back and upper tail-coverts. On the under parts the purple lustre of the head and neck passes more gradually into green on the abdomen; under tail-coverts usually purplish-blue, frequently plain black. Smaller wing-coverts with green lustre; larger coverts greenish-bronze; quills frequently plain black, with a greenish or bronzed edging and slight lustre. Tail usually with a slight bluish or greenish lustre, frequently plain black. Bill and feet black. Iris yellow. Total length about 15 inches; wing, 7.00; tail, 6.50 to 7.00.

PLATE XXXVI.

1. Quiscalus macrourus. Texas, 3948.

2. Quiscalus macrourus. Texas, 3949.