188 LARID^E. 



It inhabits the circumpolar region, seldom breeding south of 

 the Arctic circle, and descends to about 36 N. lat. in winter. 



Lams leucopterus. ICELAND GULL. 



Larus leucopterus, Faber, Prodr. Isl. Orn. p. 91 



(1822). 



Larus leucopterus, Naum. p. 367 ; Macg. v. p. 566 ; Hewit- 

 son, p. 498; Gray, p. 230; Harting, p. 77; Dresser, 

 viii. p. 439. 



Larus icelandicus, Yarr. ed. 2, iii. p. 575; id. ed. 3, iii. 

 p. 594. 



Larus islandicus, Gould, v. p. 58. 



The Iceland Gull, Yarr. ed. 1, iii. p. 456. 



Leucopterus = white-winged ; from Xeuro's -f irrepov. 



A rarer and more irregular winter visitant than L. glaucus, 

 principally to the northern coasts and islands. It inhabits 

 the Arctic regions from Greenland to Behring's Straits and 

 Alaska. 



Larus argentatus. HERRING-GULL. 

 - 



Larus argentatus, Gmelin, Syst. Nat. i. p. 600 (1788). 



V 



Larus argentatus, Naum. x. p. 379; Macg. v. p. 544; 



Hewitson, p. 499; Gray, p. 232; Yarr. ed. 2, iii. 

 p. 588; id. ed. 3, iii. p. 607; Gould, v. pi. 59; Hartiug, 

 p. 77 ; Dresser, viii. p. 399. 

 The Herring Gull, Yarr. ed. 1, iii. p. 468. 



Argentatus = ornamented with silver (argentum), silvery-white. 



Resident and generally distributed on our coasts, breeding 

 in many suitable localities. It inhabits the Palsearctic and 

 Nearctic Regions. 



