Page:Birds of North and Middle America partV Ridgway.djvu/77

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a. Smaller (wing averaging less than 71 in adult males, less than 68 in adult females); adult females with lateral under parts distinctly darker than median portion.
 * b. Paler; adult female more olivaceous. (South America in general.)

Erionotus punctatus punctatus (extralimital).
 * bb. Darker; adult female more tawny or rufescent. (British Honduras to western Ecuador.)

Erionotus punctatus atrinucha (p. 49). aa. Larger (wing averaging 72.1 in adult male, 70.1 in adult female); adult female with lateral under parts not distinctly darker than median portion. (Gorgona Island, Bay of Panama.) Erionotus punctatus gorgonæ (p. 52).

ERIONOTUS PUNCTATUS ATRINUCHA (Salvin and Godman).

Similar to T. p. punctatus, but adult male with gray of both upper and under parts darker and adult female with general coloration darker and less rufescent (more olivaceous), especially the pileim. Adult male. — Pileum black, more or less mixed with slate-gray on forehead (the latter sometimes extensively slate-gray barred or flecked with black); hindneck mixed black and slate-gray, sometimes uniform black; back mixed black and slate-gray (the former predominating), the feathers extensively pure white basally; scapulars and rump plain slate-gray; exterior row of scapulars black, broadly edged with white; wings black, all the wing-coverts conspicuously tipped with white, tertials broadly edged with white, the other remiges narrowly edged with light gray; upper tail-coverts black, broadly tipped with white; tail black, all the rectrices tipped with a large white spot, except middle pair, which are narrowly tipped with white or else wholly black; outermost rectrix, on each side, with a quadrate spot of white crossing outer web beyond middle portion; superciliary region, sides of head and neck, and under parts plain gray (no. 6) or slate-gray, the sides of head (often chin

81255° — Bull.50—11——4