714 SYSTEMATIC SYNOPSIS. — LAMELLIROSTBES— ANSEBES. 



Fig. 496. —Female Black Scoter. (Ad iiat. del. E 0.) 



ground, in June, July. (N.B. The upper fig. 49G shows extent of feathers under Ijill — to 

 first acute angle from the left — and shape of mandibular rami, reaching to next obtuse 

 rciintranoe.) 



738. CE. fus'ca. (Lat. fusca, dusky ; adult <? is black.) Velvet Scoter. WHITE-•^^^NGED 



Surf Duck. Sea 

 Coot. Bill, etc., as 

 ahove. Adult $ : Plu- 

 mage black, paler be- 

 low ; a white speculum, 

 formed by most of the 

 secondaries and tips of 

 greater coverts ; a small 

 white spot under eye. 

 Iris yellow. Feet or- 

 ange or carmine -red, 

 with black webs. Young 

 (J resembles ? . 9 : 

 Bill less bulging, en- 

 tirely dark ; eyes and 

 feet as before, less 



bright. Sooty-brown, pale grayish below, but retaining the white speculum; whitish on head 

 teuding to form loral and auricular spots, as in 739, not 737. Largest : length 19.00-22.00 ; 

 extent about 36.00; wing 11.00-12.00; bill along gape 2.50 or more; tarsus about 2.00; 

 middle toe and claw 3. .50. 9<<J- Said to differ from European in greater encroachment 

 of feathers on bill; but the ascribed feature is not tangible (var. vehetina). N. Am. at 

 large, chiefly coastwise; also on large inland waters; abundant. Winters in U. S., breeds 

 in high latitudes. 



739. <E. perspicilla'ta. (Lat. ^nrfspkillata, conspicuous, .spectacular. Fig. 497.) SuRF Due::. 

 Sea Coot. Adult $ : 

 Bill, etc., as above, 

 singularly variegated 

 in color, mostly white 

 or pinkish, and or- 

 ange, with a great 

 round or squarish 

 black spot on siilo 

 near base; iris pale 

 yellow ; feet orange, 

 with dusky webs. Plu- 

 mage glossy black, 

 duller lielinv ; no white 

 on wings, but a tri- 

 angular white patch 

 on forehead, pointing 

 forward, reaching to 



or beyond opposite eye, and another on nape, pointing downward. Young ,J resembles 9 , 

 before the bill acquires distinctive shape and color. V '■ Bill blackish, not tumid, feathers of 

 culmen restricted, not reaching opposite nostrils; feet dark, tinged with reddish, the webs black- 

 i.sh. Plumage sooty-brown, below silvery-gray; side of head with much whitish, chictty in two 

 patches, loral and auricular ; no frontal or nuchal white. Length 18.00-21.00; extent 31.00- 



FlG. 497. — Bill 0^ young (f Surf Duck, nat. size. {Ad nat. del. 



