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ORD. III. GEN. III. GULL. 



SPE. VI. TARROCK GULL. 

 PI. 214. 



The tarrock weighs near ten ounces ; is in length fourteen inches; in 

 breadth, three feet. The bill is ftrong and of a dark horn colour : eyes, dark 

 brown : head, throat, neck, and under parts, white : near each ear, and under 

 the throat, a black fpot : on the hind part of the neck, a black crefcent : back, 

 blueifh grey : lefs wing coverts, nearly black, edged with grey, making a 

 ftrong dark band from the top of the moulder to the lefs quill- feathers : 

 greater quill feathers, black : ten middle tail feathers, white, with a broad black 

 tip j the two outermoft, wholly white: legs, dark afti-colour; webs, black. 



It is to be diftinguifhed from the reft of this genus, except the kittiwake, 

 which, I doubt not, is the male bird, in not having a hind toe, but a fmall 

 knob in its ftead. It breeds in the fame places with the black-headed gull, 

 but it is not nearly fo numerous. 



It fcratches a fhallow hole, and adds a few dry fea-weeds, on which it lays 

 two or three eggs: fee PI. XLVII. Fig. 1. 





