Glass Ii. KITTIWAKE. 539 



pend over the fea : in winter they are found in vaft 



flocks on all our fhores. They differ a little in Descrip. 



fize; one we examined weighed twelve ounces and 



a half: its length was feventeen inches : its breadth 



thirty-fix: the bill yellow: the head, neck, tail, and 



whole under fide of the body, a pure white : the 



back, and coverts of the wings, a pale grey : near 



the end of the greater quil-feathers was a black 



fpot : the legs a dull white, tinged with green. 



Lams Rifla. Lin* fyjl. 224. en. Brunnicb, No. 140. 2 :o. Kitti- 



Ritfa IJlandisy incolis Chrifti- Kittiwakc. SibbaLVs hiji. wake. 



anfoe, Lille Solvet, Rotter- Scot/, 20. 



'HT* HE length of this fpecies is fourteen inches : 

 -*• the extent three feet two. When arrived at 

 full age, the head, neck, belly, and tail are of a 

 fnowy whitenefs ; behind each ear is fometimes a 

 dufky fpot : the back and wings grey : the exterior 

 edge of the firft quil-feather, and tips of the four or 

 rive next, are black : the bill yellow, tinged with 

 green ; infide of the mouth orange : legs duiky, 

 with only a knob inftead of the back toe. 



It inhabits the romantic cliffs of Flamborougb- 

 bead (where it is called Petrel) the Bafs TJle* the vaft 

 rocks near the Caftle of Shins* in the county of 

 Aberdeen* and Prieftholm Ifle. 



The young of thefe birds are a favorite dim 



in, 



