Page:Birds of North and Middle America partV Ridgway.djvu/484

456 ::::: f. Smaller (wing of adult male averaging 66.9, tail 37.2, culmen 23.5; female, wing 65.2, tail 35.2, culmen 24.1); metallic color bordering black of throat and chest more bluish. (South America east of Andes to Panamá; St. Andrews Island, Caribbean Sea.) Anthracothorax nigricollis nigricollis, adult male (p. 459).
 * ff. Larger (wing of adult male averaging 67.2, tail 37, culmen 25.3; female, wing 69.5, tail 37, culmen 27.2); metallic color bordering black of throat and chest more greenish. (Western Ecuadór.)

Anthracothorax nigricollis iridescens (extralimital).
 * ee. Throat and under parts of body narrowly black (medially), the latter sometimes merely darker green or bluish along median line. (Anthracothorax prevosti.)
 * f. Bill longer (culmen averaging 26.2); under parts of body usually more distinctly blackish along median line. (Southern Mexico to Honduras.)

Anthracothorax prevostii prevostii, adult male (p. 463).
 * ff. Bill shorter (culmen averaging less than 25); under parts of body less distinctly blackish along median line.
 * g. Bill more slender, the culmen 23.5-25.5; upper parts and lateral under parts metallic green or bronze-green. (Nicaragua and Costa Rica.)

Anthracothorax prevostii gracilirostris, adult male (p. 465).
 * gg. Bill stouter and shorter, the culmen 22-23.5; upper parts and lateral under parts bronze or golden bronze. (Old Providence Island, Caribbean Sea.)

Anthracothorax prevostii hendersoni, adult male (p. 466).
 * dd. Throat metallic green or bronze.
 * e. Chest only partly black or without black, throat emerald green or bright golden green.
 * f. A black spot on chest; center of abdomen blackish. (Trinidád and Venezuela to Lower Amazon.)

Anthracothorax gramineus (extralimital).
 * ff. No black on chest. (Panamá, and southern Costa Rica.)

Anthracothorax veragnensis, adult male (p. 467).
 * ee. Chest wholly black.
 * f. Under parts of body mostly (sometimes wholly ) black; upper parts dark or deep bronze-green; larger (wing averaging 67.9, tail 42.9, culmen 23.8). (Island of Haiti.)

Anthracothorax dominicus, adult male (p. 468).