LARUS . RIDIBUNDUS 



BLACK-HEADED GULL. 



Generic Character. See Larus marinus, 



. Synonyms. - 



Larus ridibundus. Lin. Syft, i, p. 225. 9. End. 



Orn. 2. 81 1. 2. ^ 

 Black-headed Gull. Br, Zool. 2. 252. Ih.foL 143. 



iah. L. 5. Ar^. Zool. 2. 445. Lath, 



Syn. 6. f. 380. 9. Ih./upt. p. 268. 



Mont. Orn. Bicl. 1. Bewick's Bn 



Birds, Pt. 2, p. 200. 

 Larus cinerarius. 1. ^. 224. 4. 



■ RIDIBUNDUS. Far. p. Ltid. Orn. 2> p. 812, 2. 



Red-legged Gull. Arcl, ZooL 2. p» 533. E. Lath. 



Syn. 6. />. 381. 10. 

 Larus ridibundus. Var.y. End. Orn. 2, p. 

 Brown-hraded Gull. Alhin's Birds, 2. tai^, SOa 



Lath, Syn. 6./. 383. 11/ 



JL HE kngth of this bird is about fifteen inches, breadth 

 nearly twenty-eight ; it weighs from nine to eleven ounces, 

 'Bill {lender ; irides hazel, orbits deep red ; legs flender 5 feet 

 broad j colours of the fexes alike. 



From the difference in the fummer and winter plumage of 

 this bird, authors have made diftind fpecies j for the firft two 



years 



