188 laridjE. 



It inhabits the circumpolar region, seldom breeding south of 

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



Larus lencopterns. Iceland Gull. 



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



(1832). 



Larus leucopterus, iVawOT. p. 367 ; ilf«c^. 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. 



Lencopterm = white-winged ; from Xedbo's -f Trrepov. 



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. Hekeing-Gull. 



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



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 silyer {argentum), eilTery-white. 



Resident and generally distributed on our coasts, breeding 

 in many suitable localities. It inhabits the Palsearctic and 

 Nearctic Regions. 



