the Birds of Devon. 81 
Gen. RXSSA, Leach. 
R. tridactyla, Ldnn., Kittiwake. 
Not uncommon dui'ing autumn and winter. 
Gen. IiARUSf Lin7i. 
Zi. canus, Linn., Common Gull. 
Common. 
Zi. argrentatUSf JBrun., Herring Gull. 
Common. 
Zi. fuscus, Linn., Lesser Black-backed Gull. 
Not uncommon. 
Zi. marlnus, Linn., Great Black-backed Gull. 
Not uncommon. 
Zi. g-laucus, Brim., Glaucous Gull. 
Rare in full plumage. Young birds are occasionally obtained. 
Zi. leucopterls, Fab., Iceland Gull. 
Scarce, but several specimens in immature plumage have been 
obtained. 
Gen. PAGOPKZZiA, Kp. 
P. ebux*liea, Linn., Ivory Gull. 
A specimen was shot at Livermead, near Torquay, in January, 
1853, which is, I beheve, the only instance of its having been 
noticed in the county. 
Gen. ZiZSSTRZS, III. 
Zi. catarrhactes, Linn., Skua. 
Occasionally met with in autumn and winter. 
