498 NATATORES. LARUS. GULL. 



disposition for which so many of the tribe are remarkable, 

 admitting of a near approach, particularly when engaged in 

 feeding, and is therefore easily killed. Its voice is strong 

 and harsh. The colour of its eggs remain undescribed, 



PLATE 94 *. Represents an adult bird of the natural size. 

 General Bill stout, measuring from the forehead to the tip one inch 

 descrip- anc [ three quarters ; wax-yellow at the base, passing to- 



Adult wards the point into ochre-yellow. Orbits of the eyes 



Bird. re d. Legs black, with the tibiae feathered nearly to the 



tar sal joint. Hind part of the tarsi covered with rough 

 scales. Membranes of the toes deeply scalloped. Hind 

 toe short, with a strong nail. Entire plumage pure 

 snow-white. Wings, when closed, extending beyond 

 the tip of the tail. 



Young. In the young state, the forehead, region of the eyes, and 

 chin, are blackish-grey. Back, scapulars, and wing-co- 

 verts, white, spotted and barred with brown. The ends 

 of the primary quills, and tip of the tail, are barred with 

 the same. As the bird advances in age, the brown spots 

 and bars gradually decrease at each moult, and it is 

 supposed to be perfectly matured in two years and a 

 half. 



GLAUCOUS GULL. 



LARUS GLAUCUS, Brunn. 

 PLATE XCIX. 



Larus glaucus, Brunn. Orn. Boreal. No. 148. Gmel. Syst. 1. 600. Lath. 



Ind. Orn. 2. 814. sp. 7 Sabine in Linn. Trans. 12. 543. No. 19 Steph. 



Shaw's Zool. 13. 189 Flem. Br. Anim. 1. 139. No. 223. Faun. Amer. 



Boreal. 2. 416. No. 181. 

 Le Burgermeister, Buff. Ois. 8. 418. 

 Goeland Burgermeister, Temm. Man. d'Orn. 2. 757. 

 Weisschwingige Meve, Bechst. Naturg. Deut. 4, 662. 

 Glaucous GuE, Penn. Arct. Zool. 2. 532. 13 Id. Sup. 70 Lath. Syn. 6. 



374. 4 Beivick's Br. Birds, ed. 1826, p. t. 209. and Young, p. t. 212 



Shaw's Zool. 13. 189. 



Burgermeister GuU, Flem. Br. Anim. 1. 139. No. 223. 

 Iceland Gull, Edmmston in Mem. of Wern. Soc. 4. 176. and 503. 



