CATALOGUE OF KRITISH BIRDS. 237 



Gavia tridactyla, Boie, Isis, 1822, p. 563. 



Eissa Briinnichii, Leach, Stej^Ji. Gen. Zool. xiii. p. 181,- pi. 21. 



Cheimoiiea tridactyla, Kaup, Naturl. Si/st. p. 84. 



Rissa cinerea, Ei/ton, Cat. Brit. B. p. 52. 



Rissa tridactyla, MaajiU. Man. N. H. Oni. ii. p. 250 ; G. II. 



Grai/, Gen. of B. iii. p. 655. 

 Laroides tridactyliis, Brehm, Vog. DeutxcM. p. 754. 

 Laroidcs rissa, Brehm, Vdi/. BeutscM. p. 755, t. 37. f. 3. 

 Laroides minor, Brehm, Vog. Beutschl. p. 756. 

 Kittiwake, Mont. Orn. Diet. ; Bew. Brit. B. (1804) ii. p. 229, %.; 



Selhg, Brit. Orn. ii. p. 493. 

 Kittiwake Gull, Penn. Brit. Zool (1812) ii. p. 186 ; Tan: Brit. 



B. ed. 2. iii. p. 562, fig. ; id. ed. 3. iii. p. 581, fig. 

 Tarrock GuU, Mont. Orn. Diet. ; Bew. Brit. B. (1804) ii. p. 231; 



Penn. Brit. Zool. (1812) ii. p. 187. 



PL Enl 253, 387; Gould, B. of Eur. pi. 4-35. 



a. Great Britain. Presented by A. Cooper, Esq., R.A. 

 . ^. 6. Scotland. From Col. Montagu's Collection. 



d. HiUs of Hoy, Orkney. Adult. From Mr. J. Baker's Collection. 



e. Sternum. England. Presented by John Ray, Esq. 



6. PAGOPHILA. 



Pagophila, Kaup, Naturl Syst. p. 69 (1829). 



Gavia, Boie, Isis, 1822, p. 563. 



Cetosparactes, Macgill Man. N. H. Orn. ii. p. 251 (1842). 



1. Pagophila ebttenea. The Ivory GilU. 



Larus eburneus, Gmel S.N. i. p. 596; Temm. Man. d'Orn. (1815) 



p. 498 ; Steph. Gen. Zool. xiii. p. 195 ; Jenyns, Man. Brit. Vert. 



An. p. 276 ; Eyton, Cat. Brit. B. p. 53 ; Keifs. Sr Bl Wirhelth. 



Eur. p. 96; Naum. Vog. Deutschl (1840) x. p. 341, t. 263; 



Schleg. Rev. Crit. des Ois. d'Eur. p. 126. 

 Larus niveus, Mart. Hist, de Spitzb. t. 4. f. A. 

 Larus candidus, Fabr. Faun. Grcenl p. 67; Flem. Brit. An. p. 142. 

 Cetosparactes ebm-neus, Maegill. Man. N. H. Orn. ii. p. 252. 

 Pagophila ebumea, Kaup, Naturl. Syst. p. 69 ; G. R. Gray, Gen. 



of B. iii. p. 655. 

 Gavia eburnea, Boie, Isis, 1822, p. 563 ; Brehm, Vog. Deutschl 



p. 765. 

 Gavia nivea, Brehm, Vog. Deutschl p. 766, t. 38. f. 1. 

 Ivory Gull, Selby, Brit. 'Orn. ii. p. 497; Yarr. Brit. B. ed. 2. iii. 



p. 567, fig. ; ul ed. 3. iii. p. 586, fig. 



PI Enl. 994 ; Gould, B. of Eur. pi. 436. 

 (Shetland, Firth of Clyde, and West Coast of Ireland.) 



