252 LARIDJJ. 



Larus canus. COMMON GULL. 



Larus canus Linnceus, Syst. Nut. 1758, p. 136 : Sweden. 



Larus canus Linn. ; B. O. U. List, 1st ed. 1883, p. 189 ; Saundert, 

 Cat. Birds B. M. xxv. 1896, p. 277 ; id. Manual, 2nd ed. 1899, 

 p. 671. 



Canus hoary. 



Distribution in the British Islands. A Kesident, and a Bird 

 of Passage in spring and autumn. It breeds on the coasts 

 and inland lochs, and occasionally on moors in Scotland and 

 Ireland ; but in England, though immature birds are common 

 throughout the summer, it has only been known to nest on 

 the Fame Islands, Northumberland. In winter it is met 

 with on all our coasts, and commonly inland. 



General .Distribution. The Common Gull breeds in 

 northern Europe and Asia from Scandinavia to Kamchatka 

 and southwards to about 53 N. latitude. In winter it visits 

 the Mediterranean, north Africa, the Nile valley, and the 

 Persian Gulf ; also, on the Pacific side, China and Japan. It 

 occasionally occurs in Iceland, and is accidental in Labrador. 

 It is represented in western North America by a nearly allied 

 form which ranges south to California in winter. 



Larus argentatus. HERRING-GULL. 



Larus argentatus Pontoppidan, Danske Atlas, i. 1763, 

 p. 622 : Denmark. 



Larus argentatus Gmel. ; B. 0. U. List, 1st ed. 1883, p. 188 ; 

 Saunders, Cat. Birds B. M. xxv. 1896, p. 260 ; id. Manual, 

 2nd ed. 1899. p. 673. 

 Argentatus= ornamented with silver (aryentuiri), silvery. 



Distribution in the British Islands. A Resident, widely 

 distributed, breeding commonly and often in large colonies 

 on ledges of sea-cliffs and on islands ; also on. inland lochs 

 in Scotland, and on marshy ground. In winter it frequents 

 all the coasts, and often wanders inland to lakes and rivers. 



