CATALOGUE OF BBITISH BIRDS. 
263 
Laroides tiidactylus, Brehm^ Deuts, ig, 754. 
Laroides rissa, Brehm, Vog, Deuts. p. 755, t. 37, f. 3. 
Laroides minor, Brehm^ Vog. Deuts. p. 756. 
Kittiwake, Mont. Orn. Diet. ; Bew. Brit. B. (1804) ii. p. 220, fig. ; 
Selbg, Brit. Orn. ii. p. 493. 
Kittiwake Gull, Penn. Brit. ZooL (1812) ii. p. 186 ; Yarr. Brit. B. 
2 edit. iii. p. 562, fig. 
Tarrock Gull, Mont. Orn. Diet.; Bew. Brit. B. (1804) ii. p. 231 ; 
Penn. Brit. Zool. (1812) ii. p. 187. 
PI. enl. 253, 387 ; Gould ^ B. of Eur. pi. 435. 
a. Great Britain. Presented by k. Cooper, Esq., E.A. 
h. Scotland. From Col. Montagu’s collection. 
e. Yarmouth. Young. 
d. Hills of Hoy, Orkney. Adult. From Mr. J. Baker’s collection. 
e. Sternum. England. Presented by John Ray, Esq. 
6. PAGOPHILA. 
Pagophila, Kaup^ Naturl. Sgst. der Eur. Thier. p. 69 (1829). 
Gavia, Boie^ Isis (1822), p. 563. 
Cetosparactes, Maegill. Man. N. H. Ornitk. ii. p. 251 (1842). 
1. Pagophila eburnea. The Ivory Gull. 
Larus eburneus, Gmel. S. N. i. p. 596; Temm. Man. d’Orn. 1815, 
p. 498 ; Steph. Gen. Zool. xiii. p. 195; Jenyns^ Man. B. Vert. 
An. p. 276 ; Eyton^ Cat. Brit. B. p. 53 ; Keys. ^ Bl. Wirhelth. 
Eur. p. 96 ; Naum. Vog. Deuts. (1840) x. p. 341, t. 263 ; Sehleg. 
Rev. Crit. des Ois. d' Eur. p. 126. 
Larus niveus, Mart. Hist, de Spitzh. t. 4, f. A. 
Larus candidus. Fair. Faun. Green, p. 67; Flem. Brit. An. p. 142. 
Cetosparactes eburneus, Maegill. Man. N. H. Ornith. ii. p. 252. 
Pagophila eburnea, Kaup^ Naturl. Syst. p, 69 ; G. R. Gray., Gen. 
^of B. iii. p. 655. 
Gavia eburnea, Boie, Isis (1822), p. 563 ; Brehm, Vog. Deuts. p. 
765. 
Gavia nivea, Brehm, Vog. Deuts. p. 766, t. 38, f. 1. 
Ivory Gull, Selby, Brit. Orn. ii. p. 497 ; Yarr, Brit. B. 2 edit. iii. 
p. 567, fig. 
PL enl. 994 ; Gould, B. of Eur. pi. 436. 
(Shetland, Frith of Clyde, and West Coast of Ireland). 
