THE HARLEQUIN-DUCK. 



349 



< which does not usually extend on to lores) and small one on auri- 

 cular region white ; sides of neck light sepia or olive-brown ; chin 

 and throat dusky- brown ; sides of body, vent and under tail- 

 coverts pale ash-brown or hair-brown, feathers tipped buff-white 

 or buff-brown ; flanks hair-brown shading to buff-brown ; feathers 

 of upper-breast ash-brown with broad subterminal drab-brown bars 

 and fringed white or buff ; remaining under -parts ashy -white, 

 ieathers mostly with subterminal dusky-brown bars ; tail-feathers 

 as adult female but with square tips and shafts projecting ; wing 

 as adult female but primaries and secondaries duller and browner 

 with less blackish-plumbeous gloss ; innermost secondaries shorter 



The Harlequin-Duck. Tips of tail feathers : on left of juvenile with down 

 adhering, in centre same with down detached, on right of adult. 



and narrower and wing-coverts blackish olive-brown ; in some edged 

 dark buff -brown. 



First winter. Male. — Traces of a first winter plumage are 

 acquired ; scapulars dark plumbeous with no white, feathers of 

 sides of body and flanks dark plumbeous with drab-brown bases, 

 some flank-feathers suffused chestnut towards tip ; head duller 

 than in first summer, central streak dark plumbeous, no cinnamon- 

 rufous on crown, area around and behind eye bordering crown, and 

 nape olive-brown tinged plumbeous ; chin and throat olive-brown 

 tinged blackish-plumbeous ; sides of neck as in first summer but 

 duller. N.B. — Whether feathers of head are subsequently moulted 

 in assumption of first summer or whether in some they are retained, 

 I am unable to decide owing to lack of material. 



First summer. Male. — Easily distinguished from adult by 

 duller upper-parts, retained juvenile feathers of breast and belly 

 and dull speculum. Feathers of white patch at base of upper 

 mandible and white streak on crown more or less tipped dusky- 

 brown ; a small white patch below eye, feathers tipped dusky and 

 a white patch on auricular region as in adult ; median blue-black 

 band along crown duller ; cinnamon-rufous streak ill-defined or 

 absent ; head and neck all round usually duller plumbeous than in 

 adult ; oval white patch on sides of neck smaller, feathers tipped 



