642 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



brown and whitish, but the brown bars connected by a mesial streak, 

 thus separating the whitish into pairs of spots on opposite webs; 

 each feather of abdomen, sides, and flanks with a broad median 

 longitudinal stripe of darker brown, the imder tail-coverts THth 

 similar but rather narrower stripes; anal region immaculate buffy 

 or buffy white; legs with numerous but rather faint transverse spots 

 or bars of brown; general color of wings and tail brown; middle and 

 greater coverts with roimdish transverse spots of white on outer 

 webs, the lesser coverts plain deep brown; secondaries crossed by 

 about six bands of pale grayish brown passing into paler on edges, 

 the terminal band passing into whitish on margin; primary coverts 

 with four bands of darker buffy brown or ochraceous-brown; pri- 

 maries with transverse series of quadrate spots of pale brown (grow- 

 ing deeper brown on proximal quills) on outer webs, the last terminal 

 (there are about eight spots on longest primary) ; tail crossed by six 

 or seven sharply defined bands of pale brown, the last terminal; face 

 grayish white or pale brownish gray, with concentric semicircular 

 bars of brown; "eyebrows" (superciliary region) and lores duU gray- 

 ish white or pale grayish with black shafts; a narrow crescent of 

 black against anterior angle of eye; facial circle a mixture of blackish 

 brown and buffy white bars, the former predominating along anterior 

 edge, the latter more distinct along posterior edge and predominating 

 across foreneck where the brown forms disconnected transverse 

 spots; bUl dull buff-yellowish; iris very dark brown or brownish 

 black, the pupU appearing blue by contrast; naked portion of toes 

 dull yellowish or yellowish gray, the large scuteUa naore decidedly 

 yellow, the soles deep yellow; claws dark horn color, becoming black- 

 ish terminally. 



Young. — ^Head, neck, and entire under parts broadly barred with 

 rather light brown and pale buffy and whitish, the brown and pale 

 bars about equal in width ; back, scapulars, and wing-coverts similarly 

 barred, but the bars broader, the brown ones of a deeper shade, and 

 each feather broadly tipped with white; remiges and rectrices (if 

 developed) as in adults. 



Adult male. — ^Length (skins)," 450-495 (471); wing, 320-340 

 (332.8); tail, 215-230 (225.4); cuhnen, from cere, 23.5-27 (25.1).* 



Adult female.— Length, (skins)," 470-505 (489); wing, 330-352 

 (338.3); tail, 224-257 (230.3); cuhnen, from cere, 25.5-30 (25.8).'' 



Middle eastern North America, in Transition and Upper Austral 

 zones; north to Newfoundland, southern Quebec (Point de Monts), 



o In life, length about 501-533 mm., extent of wings 1143-1219 mm.; weight about 

 11-lilbs. 

 b Eleven specimenB. 



- In life, length about 530-560 mm., extent of wings 1193-1220+mm. 

 <* Seven specimens. 



