ANATID.E — FULIGULIN^: SEA DUCKS. 



933 



ing outward over wing as in Eiders, with which this genus connects by means o^ Heniconetta, 

 though in both tliese genera the bill is simple, as usual in FuligidiiuB, without the peculiar 

 gibbosity and special outlines of feathers characteristic of Eiders. One species, remarkable for 

 its fantastic markings, the ^ being patclied with different colors; a metallic speculum (here 

 only among our Fuligidincc, excepting H. stelleri). 



H. histrioii'icus. (For etym. see generic name. Fig. G53.) Harlequin DucK. Paintb:d 

 Duck. Mountain Duck. Rock Duck. Lord and Lady. Squealer. Adult $ : Bill 

 olivaceous; iris reddish -brown ; feet grayish-blue, with dusky webs and pale claws. Aside 

 from the definite mark- 

 ings to be given, general 

 color deep leaden -blue or 

 slate-color, with a purplisli 

 tinge, blackening on top of 

 head, on lower back, ruinj*. 

 and tail above and below, 

 darker on head and neclv 

 than on breast and back, 

 changing from breast 

 backward, including lining 

 ofwinsfs, to sooty brown, 

 on flanks to chestnut- 

 brown. A white patch 

 between bill and eye, curv- 

 ing upward and backward 

 to margin the black coro- 

 nal stripe, changing to 

 chestnut from over eye to 

 nape. A round white spot on side of hind head ; long white spot on side of up])er neck ; 

 white collar around neck, interrupted or not before and behind ; white crescent on side of 

 breast in front of wings ; these marks black-bordered. A white spot on wing-coverts; white 

 bar across ends of greater coverts and some of the secondaries; outer webs of inner sec- 

 ondaries mostly white ; scapulars mostly white. A white spot on each side of root of tail. 

 Speculum metallic pur{)lish or violet. Two or three years appear to be required to perfect this 

 plumage; J found iu almost every condititm between tliis and plumage of 9; the final stas^e 

 is completion of white ring around neck and white tips of secondaries. Adult 9 '• Bill dusky ; 

 feet dull bluish-gray. Iris brown. A whitish spot before eye and behind ear. General plu- 

 mage on head and upper parts dark brown, darkest on head and rump; lower parts similar, 

 more grayish, i)assing through gray mottling to whitish on belly. Thus 9 is :i very small 

 and obscure duck, widely different from ^ ; observe small size, very siiort bill, only about 

 1.00 along culmen, higher than wide at base; plumage without definite markings except- 

 ing two spots on each side of head; extent of dapjiicd gray and white on under parts very 

 variable. Length of $ Ki.OO-l/.OO; extent 24.(H»->J7.(IO; wing 7.00-8.00; tail 3.00-1. (M); 

 tarsus L;}0 ; bill along culmen LIO, along gape 1. .")(). 9 •'' <"" under these minima or aver- 

 ages. Eur<)pe, Asia, North America, northerly and chictly coastwise, but also in interior; 

 S. in winter to Middle States and California, but not coninion on Atlantic coast beyond nortii- 

 ern New England; breeds in Uncky Mts. of U. S., as in Colorado; also at lat. 38° iu Sierra 

 Nevadas of California, and north, as from Newfoundland to Alaska; Greenland. Nest iii 

 hollow iif a tree or stump (f), or on ground, under rocks, etc, of weeils and grasses and 

 jtarents' down; eg^s tJ-8-lO, U.IO X l.(iO to 12.40 X I ^.l, pale buff or creamy. (//. tninutus 

 of 2d-4th cds. of Key; but our rules call for the tautouym above given.) 



Harlequin Duck. 



