Class II. ARCTIC GULL 533 



hind part .of the latter plain, the reft marked with 

 oblong dufky fpots. 



The breaft and belly are white, crofTed with 

 numerous dufky and yellow ifh lines : the feathers 

 on the fides and the vent, are barred tranfverfely 

 with black and white : the back, fcapulars, co- 

 verts of the wings and tail, are black, beautifully 

 edged with white or pale ruft color: the fhafts and 

 tips of the quil-feathers are white: the exterior web, 

 and upper half of the interior web black, but the 

 lower part of the latter white : the tail confifts of 

 twelve black feathers tipt with white; the two mid- 

 dle of which, are near an inch longer than the 

 others : the fhafts are white ; and the exterior webs 

 of the outmoft feather is fpotted with ruft color. 

 The legs are of a bluifh lead color : the lower part 

 of the toes and webs black. 



A bird of this kind was taken near Oxford, and 

 communicated to the Royal Society by Dr. Lyfons 

 of Gloucefter. 



The Struntj agger, or Dung- Larus Parafiticus. Lin. fyft* 245. Arctic 



hunter. Marten's Spitz- 226. 



berg 87. SwartlafTe , Labben , Elof. 

 The Arctic Bird. Edw. av. Faun Suec. fp. 6. 



148. 149. Brunnicb, 127. 



T 



HESE birds are very common in the Hebri- 

 des* I faw numbers in Jura, Hay and Rum 9 

 N n 2 where 



