GULL. 



\4o 



10— CRIMSON-BILLED GULL. 



LENGTH seventeen or eighteen inches. Bill from gape to 

 point two inches, colour crimson ; irides yellow-hazel ; eyelids dotted 

 with crimson; head, neck, and under parts of the body, white; back 

 and wings pale silvery grey; outer border of the wings white ; some 

 of the greater quills chiefly white; but two or three of the outer for 

 the greater part black ; all of them are white near the ends, for an 

 inch or more, and some of the tips are black : these are so long as 

 to reach an inch beyond the end of the tail, which is white; legs 

 crimson ; webs and toes the same, but the former rather darker ; 

 claws black; legs bare above the knee for three quarters of an inch. 



Inhabits New-Holland ; not unfrequent at New South Wales, 

 most so in April. Native name Tanna-rang. Described from the 

 collection of Mr. Francillon. 



1 1. -BLACK-BACKED GULL. 



Larus marinus, bid. Qrn.W. 813. Lin. i. 225. Fn.suec. No. 155. Gm. Lin. i. 598. 

 Act. Holm. iv. 101. Faun, groenl. No. 66. Brun. No. 145. Muller, No. 163. 

 Bor. Nat. iii. 48. 4. Lin. Trans, xii. p. 543. Tern. Man. 492. Id. Ed. 2d. 760. 



Great White Gull, Bartr. Trav. 293. 



Larus niger, Bris. vi. 158. Id. 8vo. ii. 403. 



inaximus ex albo et nigro varius, Raii, 127. A. 1. Will. 261. Klein, 136. 1. 



Die Mantel meve, Beckst. Dents, ii. 815. Id. Ed. 2d. iv. 763. Schmid, t. 123. 



Le Goeland noir manteau, Buf. viii. 405. t. 31. PI. enl. 990. 



La giande Mouette, Voy. d'Azara, iv. No. 409. 



Great black and white Gull, Will. Engl. 344. pi. 67. Albin, iii. pi. 94. 



Black-backed Gull, Gen. Si/n. vi. 371. Br. Zool. ii. No. 242. ld.fol. 140. pi. L. 

 Id. 1812. ii. p. 172. Flor. Scot. i. pi. 5. f. 2. Arct. Zool. ii. No. 451. Bewick, 

 ii. pi. p. 212. Leivin, vi. pi. 208. Id. xli. — egg. Pult. Dors. p. 18. Walcot, 

 pi. 112. Lin. Trans, viii. 267. Id. xii. 543. Orn. Diet. § Supp. 



THE length of this Gull is twenty-nine inches, breadth five feet 

 nine inches; weight near five pounds. The bill strong, and thick, 



TOt. X. U 



