KNOT. 633 



A male in perfect summer plumage obtained from Yar- 

 mouth so late in the season as the 25th of May 1820, and 

 from which tlic fisfure in the front of the illustration here 

 given was drawn, has the beak black ; the irides hazel ; 

 cheeks and round the eye chestnut red, with a few dark brown 

 spots between the beak and the eye, and on the ear-coverts ; 

 the forehead, top of the head and the back of the neck reddish 

 brown, streaked with dark brown ; back, scapulars, smaller 

 wing-coverts and tertials black, margined with reddish brown 

 and white ; greater wing-coverts ash grey ; primaries greyish 

 black, with white shafts ; secondaries edged with white ; 

 rump and upper tail-coverts white, tinged with red, with 

 crescentic bars of black and edged with white ; tail-feathers 

 ash colour, darker near the margin, and edged with white ; 

 chin, neck, breast, and belly nearly uniform rich reddish 

 chestnut ; flanks, vent, and under tail-coverts white, tinged 

 with red and spotted with black ; legs, toes, and claws, bluish 

 black. 



The whole length of an adult bird ten inches ; from the 

 carpal joint to the end of the first quill-feather, which is the 

 longest in the wing, six inches and a half. 



Young birds of the year in autumn have the upper surface 

 of the body ash grey, each feather with two narrow half cir- 

 cular bands near the end, the first of greyish black, the ulti- 

 mate band buify white, later in the season pure white ; the 

 neck white, streaked with grey ; the breast dull white, tinged 

 with reddish buff. 



Adult birds in winter have all the upper surface of the 

 body and the wing-coverts uniform ash grey ; wing-primaries 

 as in summer; all the front of the neck, the breast, and under 

 surface of the body white, slightly streaked with grey. 



