BIRDS OF NORTH AND MIDDLE AMERICA. 323 
nostril. Wing ample, pointed, the longest primary (outermost) 
exceeding distal secondaries by decidedly more than half the length 
of wing; 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, very slightly 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; bare 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 streaked or spotted with the 
same. 
Range.—Northern Europe and Asia, migrating to Africa, India, 
and Australia; accidental in Florida, Brazil, Argentina, and Chile? 
(Monotypic.) 
GLOTTIS NEBULARIA (Gunnerus). 
GREEN-SHANE. 
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; 
axillars 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 neariy uniform deep brownish gray 
the tertiais 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) with 
dusky; tail white, narrowly and incompletely (or interruptedly) 
barred with grayish dusky; bill blackish becoming more brownish or 
