302 
by several of the authors referred to, but I 
believe a description of its summer plu- 
mage will be new. The whole under part 
of the neck and the breast is black, the ap- 
pearance of the black spot so conspicuous 
in winter being removed by the general 
diffusion of the dark feathers; the sides of 
the head and a little beyond the eye are a 
brownish white ; round the eye are some 
white feathers ; from the bill a black line 
runs on the top of the head to the crown, 
which is black ; the back of the neck is 
chiefly black, but at a small distance below 
the crown a few white feathers are inter- 
mingled with the black ones across the 
neck ; the black of the neck extends down 
the back, but in the centre of the upper 
part of the back near the neck is a patch of 
black feathers edged with ferruginous; 
the scapulars are long and narrow, black 
in the centre and edged with ferruginous 
white, and the longer ones having more 
white ; the wings are a brownish black, 
the quill feathers being the palest; the 
lower belly and sides to the rump and the 
under tail coverts are white, a line of black 
