114 



NORTH AMERICAN BIRDS; 



transverse series of spots of oeliraeeoiis or civaniy white; lliese very olisolete on mirldle 

 ibatliers, and slinrply (iclined only on inner w.-l,s ; the last is terminal. Primaries jijain 

 brown, somewliat clari<er than tlie liaeiv, mid Ijeeoniing insensibly darker terminally; 

 skirte(l willi white, and somewhat mottled or irrcfrnlarly slotted toward their bases 

 with yellowish-white. Ileail and neek, each (eather, with a medial streak of dnsky, but 

 white the prevailing,' aspeet; these streaks eondensed and somewliat siiU'iised along 

 npper border of ear-eoverls, ami fi-om the lores alonpr elieeks, forminfr an obsoh'te " mus'- 

 taehe"; every feather beneath (inehidinf,' lininj? of winirs) with a medial broad stripe of 

 clear plumbeous vandyke-brown, the shaft pure blaek ; under surface of primaries with 

 transverse spaces of white, these; mnnberin{( thirteen on the longest. WinR-formuIa 

 2-3,1. Wing, I.IOO; tail, !).•_'(). 



IIao. leeland and Southern Oreenland, Northeastern North America in winter, 

 straggling accidentally south to the New England States; Rhode Island (Mnsenm| 

 Cambridge) ; Norway, Maine " not uncommon " (Vkrkii.i.) ; Ma.ssachu.sett.s (PEAnonv ifc 

 Jii.i,son) ; Long Islanil (Cab., G. N. Lawhkxck). 



Xo. 50,050, Greenland (Schluter Collection), is moulting, and as.suniing the 

 adult Iress ; the adult and young stages above described being nearly equally 

 conibxiied. No. 56,055, from Greenland, differs from the other young in- 



F^lrn islmt'iirHS. 



dividuals which T have seen in being considerably darker. The feathers of 

 the upper surface are not bordered with whitish, but are merely paler on 

 their ixlges, along which are specks of yellowish. On the head and neck 



