(EDEMIA NIGItA. 229 



The Tufted Duck is sometimes plentiful in winter on the 

 Laguna de la Janda, is well known in the marisma, and I have 

 occasionally seen them in the Bay of Gibraltar. 



Wing-spot white. 



Male. Head and neck glossy purplish black, with an occipital crest or 

 tuft ; breast, belly, sides, flanks, and speculum white ; the rest of plumage 

 black ; iris yellow. 



Female. Crest smaller ; brown where black in the male ; underparts 

 brownish white. Length 17 inches. 



249. Fuligula marila (Linnaeus). The Scaup Duck. 



This Duck is a rare visitant in the Straits, but has occurred in 

 the Bay of Gibraltar in December ; marine and coast-frequenting, 

 they are not liable to much notice and seldom likely to appear in 

 the markets. 



Wing-spot white ; bill very broad, about as long as head. 



Male. Head, neck, upper breast, rump, and under tail-coverts black, 

 with green gloss ; back and scapulars white, broadly verrniculated with 

 black ; belly white ; iris straw-yellow. 



Female and young male. White band round base of bill, broadest in, 

 female ; head and neck dark brown, as are all the parts which are black iu 

 the male. Length 18 inches. 



250. Clangula glaucion (Linnaeus). The Golden-eye. 



All to be stated regarding this northern species is that they 

 rarely occur about the Straits in winter. 



Bill much shorter than head ; tail of sixteen feathers, as in next. 



Male. Head and neck glossy green ; feathers on crown slightly 

 lengthened ; small ivhite spot at base of bill ; scapulars white ; wing-spot 

 white. 



Female and young male. Head and neck ash-brown ; no white spot on 

 head ; wing-spot white, divided by a black line. Length 16-11) inches. 



251. CEdemia nigra (Linnaeus). The Common Scoter or 



Black Duck. 



Moorish. Bourk - el - behar (Sea - Duck). Spanish, Malaga. 

 Coquinero, Pato negro. 



