. The water birds of North America . Sp. Char. Adult in summer: Entire pileum and nape, down to the lower edge of the eyesuniform deep black. Above, delicate pale pearl-gray, becoming gradually silvery white on theupper tail-coverts and tail ; tips of the secondaries, and edges of inner webs of primaries, purewhite. Outer primary with the outer web dark slate ; inner webs of three outer primaries white,with a stripe of silvery gray next the shaft, the white extending to the extreme tip of the feathers ; 304 LONG-WINGED SWIMMERS — LONGIPENNES. remaining quills light silvery gray, the inner web


. The water birds of North America . Sp. Char. Adult in summer: Entire pileum and nape, down to the lower edge of the eyesuniform deep black. Above, delicate pale pearl-gray, becoming gradually silvery white on theupper tail-coverts and tail ; tips of the secondaries, and edges of inner webs of primaries, purewhite. Outer primary with the outer web dark slate ; inner webs of three outer primaries white,with a stripe of silvery gray next the shaft, the white extending to the extreme tip of the feathers ; 304 LONG-WINGED SWIMMERS — LONGIPENNES. remaining quills light silvery gray, the inner web broadly edged with white. Lateral and lowerpart of head and neck (including lower half of the lores and extreme lower part of the nape), withentire lower parts, pure white, strongly tinged in fresh specimens with delicate rose-pink. Billblack (reddish basally, in life) ; iris brown ; legs and feet bright red (in life). Adult in winter:Similar, but forehead and anterior part of crown white, the latter shaded with grayish and indis-. V \ w Summer plumage. tinctly streaked with darker ; orbital region, occiput, and upper part of nape uniform , first plumage: Pileum and nape pale bully grayish, finely mottled or sprinkled with darker,and streaked, especially on the crown, with dusky ; orbital and auricular regions dusky blackish ;remainder of the head, extreme lower part of the nape, and entire lower parts, white, the nape, andsometimes the sides of the breast, finely mottled with buffy gray. Back, scapulars, wing-coverts,rump, upper tail-coverts, and tail, pale pearl-blue, the back and scapulars overlaid with pale bull,


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbirds, bookyear1884