BIEDS OF NOETH AND MIDDLE AMERICA. 323 



nostril. Wing amplo, pointed, the longest primary (outermost) 

 exceeding distal secondaries by decidedly more than half the length 

 of Aving; elongated tertials narrow, tapering terminally, the tip of 

 longest reaching about to tip of fourth primary (counted from outside). 

 Tail about two-fifths as long as wing, ver}- slightl}' rounded or nearly 

 truncate, the middle pair of rectrices slightly projecting; rectrices, 12. 

 Tarsus nearly twice as long as middle toe without claw, continuously 

 transversely scutellate both anteriorly and posteriorly; have, portion 

 of tibia about two-thirds as long as tarsus (about as long as middle 

 toe with claw), also transversely scutellate before and behind; lateral 

 toes decidedly shorter than middle toe, the outer slightly longer than 

 the inner; hallux small, much elevated, about half as long as basal 

 phalanx of middle toe; a small but very distinct web between basal 

 phalanges of outer and middle toes, but space between inner and 

 middle toe with web minute, practically absent. 



Coloration. — Lower back, rump, and most of under parts immacu- 

 late white; no white areas on wing; back, wing-coverts, etc., light 

 brownish gray, more or less blotched with blackish in summer; head 

 and neck streaked with dusky, the chest sti'caked or spotted with the 

 same. 



Range. — Northern Europe, and Asia, migrating .to Africa, India, 

 and Australia; accidental in Florida, Brazil, Argentina, and Chile? 

 (Monotypic.) 



GLOXflS NEBULARIA (Gunnerus). 



GREEN-SHANK. 



Adults in summer. — Pileum and hindneck grayish white, broadly 

 streaked with dusky; rest of head and neck, together with entire 

 under parts, white, the loral, auricular, and malar regions, sides of 

 neck, and foreneck narrowly streaked with dusky, the sides of breast 

 and anterior portion of sides coarsely and irregularly marked with 

 dusky, the markings assuming a more or less V-shaped or sagittate 

 form on sides, the eyelids, a rather broad superciliary stripe, chin, 

 throat, breast, abdomen, flanks, and under tail-coverts immaculate; 

 4xiUars white, sometimes irregularly marked on distal portion with 

 grayish; under wing-coverts white, with irregularly sagittate mark- 

 ings of grayish dusky; scapulars and interscapulars blackish edged 

 with pale gray; wing-coverts nearly uniform deep brownish gray 

 the tertials similar but edged with paler; primaries uniform dusky; 

 lower back, rump, and upper tail-coverts immaculate white, the large 

 upper tail-coverts, however, narrowly zig-zagged (transversely) Vv^ith 

 dusky; tail wliite, narrowly and incomplete!}' (or interrupted ty) 

 barred with grayish dusky; bill blackish becoming more brownish or 



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