A HAND-LIST OF BRITISH BIRDS. 197 



Bahamas and West Indies, south to Brazil and Tristan da Cunha, but it 

 has been suggested that it only winters in these southern latitudes. It is 

 represented by allied forms in the Indian and Pacific Oceans. ] 



XEMA SABINI 



423. Xema sabini (Sabine)— SABINE'S GULL. 



Larus Sabini Sabine, Trans. Linn. Soc. London, xii, p. 522, pi. 29 



(1818 — Islands near Disco, west coast of Greenland). 



Xema sahinii (J. Sabine), Yarrell, iii, p. 573 ; Saunders, p. 657. 



Distribution. — British Isles. — Irregular autumn and winter- visitor. 

 Almost regular Yorks. and Norfolk, many recorded elsewhere, even 

 in inland counties, but rarer Scotland (unrecorded 0. Hebrides) and 

 only twelve Ireland (Dublin Bay seven, Belfast Lough three, 

 Donegal Bay one. Lough Derg one). Adults very rare, viz. one, 

 each Yorks., Norfolk, Sussex, Kent, Hants., Cornwall, Mull, East 

 Lothian, and Shetlands (seen July 25, 1909). 



Distribution. — Abroad. — Breeds from coast of Alaska to north 

 Greenland and on arctic islands of Old World. Winters in more 

 southern latitudes from Europe to Bermudas and Texas, and about 

 12° south lat., and even Peru. Not rare as visitor to Atlantic coasts 

 of France, casual in Holland, Switzerland, and Austria -Hungary. 



RHODOSTETHIA ROSEA 



424. Rhodostethia rosea (MacGill.)— THE WEDGE-TAILED 



GULL. 



Larus roseus MacGillivray, Mem. Wernerian Soc, v, p. 249 (1824 — 



Melville Peninsula). 



Rhodostethia rosea MacGillivray, Yarrell, iii, p. 579 ; Saunders, p. 659. 



Distribution. — England. — One near Tadcaster (Yorks.), Dec. 22' 

 1846, or Feb. 1847 (W. Milner, Zool, 1847, p. 1694, and c/. p. 1784 ; 

 Saunders, p. 659 ; Birds Yorks., p. 665). 



Distribution. — Abroad. — Breeds in delta of Kolyma River in 

 north-east Siberia and doubtless other places on arctic shores of 

 Asia. Has been found in many places in arctic seas and casual 

 visitors have been obtained in Faeroes and Heligoland. 



LARUS PHILADELPHIA 



425. Larus Philadelphia (Ord)— BONAPARTE'S GULL. 



Sterna Philadelphia Ord, in Guthrie's Geogr., 2nd Amer. ed., p. 319 



(1815— near Philadelphia, U.S.A.). 



Larus Philadelphia (Ord), Yarrell, in, p. 584 ; Saunders, p. 661. 



Distribution. — British Isles. — Six. One near Belfast, Feb. 1, 



