BIRDS FULIGULINAE — HARELDA. 
799 
HISTKIONICUS TOEQUATUS, Bo nap. 
Harlequin Duck. 
Anas histrionica, Linn. Syst. Nat. ed. 10, I, 1758, 127 ; ed . 12th, I, 17G6, 204.— Forster, Phil. Trans. LXI[, 
1772, 383.— Gmelin, I, 534.— Lath. Ind. Orn. II, 1790, 849.— Brunnich, Orn. Borealis, 17G4, 
84.— Wilson, Am. Orn. VIII, 1814, 139 ; pi. lxxii. 
Jlnas (Fuligula) histrionica, Bon. Obs. Wils. 1825, No. 277. 
Fuligula (Clangula) histrionica, Bon. Syn. 1828, 394.— Nuttall, Man. II, 448. 
Fuligula histrionica, Aud. Orn. Biog. Ill, 1835, 612 : V, 1839, 617 ; pi. 297.— Ib. Syn. 1839, 294.— Ib. Birds Amer. 
VI, 1843, 374 ; pi. 409. 
" Cosmonella histrionica, Kaup." 
Clangula histrionica, Swainson, F. Bor. Am. II, 1831, 489.— Etton, Mon. Anat. 1838, 163. 
Harelda histrionica, Keys. & Blas. Wirb. Europ. 1840.— Bon. 2d list Eur. Birds, 1842. 
Phylaconetta histrionica, Brandt, Mem. Acad. St. Pet. Sc. Nat. VI, 1849, 9. 
IJlnas minuta, Linn. I, 1766, 204. Female. 
Histrionicus torquatus, Bonap. Comptes Rendus, XLIII, Sept. 1856. 
Harlequin Duck, Pennant. 
Sp. Ch — Male. Head and neck all round dark blue. Jugulum, sides of breast, and upper parts, lighter blue, becoming 
bluish black again on the tail coverts. The blue of breast passes insensibly into dark bluish brown behind. A broad stripe 
along the top of head from the bill to the nape, and the tail feathers, black. A white patch along the entire side of the base 
of bill anterior to the eye, and passing upwards and backwards so as to border the black of the crown, but replaced from above 
the eye to the nape by chestnut. A round spot on the side of the occiput, an elongated one on the side of the neck, a collar 
round the lower part of the neck, interrupted before and behind, and margined behind by dark blue, a transversely elongated 
patch on each side the breast, and similarly margined, a round spot on the middle wing coverts, a transverse patch on the end 
of the greater coverts, the scapulars in part, a broad streak on the outer web of tertials, and a spot on each side the rest of the 
tail, white ; sides of body behind chestnut brown. Secondaries with a metallic speculum of purplish or violet blue. Inside 
of wing, and axillars, dark brown. 
Female with the head and body above, dark brown ; the chin more plumbeous; the lower part of neck, breast, and under 
parts generally, except the central region, (which is white,) duller and lighter brown ; a whitish patch in front of the eye, and 
a rounded spot just behind the ear. 
Length, 17.50 ; wing, 7.70 ; tarsus, 1.48 ; commissure, 1.54. 
^ Hub. — Northern seacoast of northern hemisphere. 
List of specimens. 
Catal. 
No. 
Sex. 
Locality. 
When collected. 
Whence obtained. 
Orig'l 
No. 
Collected by— 
Length. 
Stretch 
of wings. 
1575 
1576 
3 
8 
Boston 
S. F. Baird 
Port Townsend, W. T 
do 
May — , 1856 
Gov. Stevens 
Dr. Suckloy 
17. 50 
27. 00 
9868 
8428 
Dr. McCuidy 
Sept. 19, 1856 
A. Campbell 
44 
Dr. Kennerly 
