RHODOSTETHIA. STEKCORAKIUS. 193 



Larus rossii, Naum. xiii. pt. 2, p. 370; Yarr. ed. 2, suppl. 



p. 59; id. ed. 3, iii. p. 558. 

 Larus rossi, Harting, p. 173. 

 Rhodostethia rosea. Dresser, viii. p. 343. 

 ESsea = rose-coloured ; from rosa = a rose. 



A single specimen, now in the Leeds Museum, is stated, on 

 questionable authority, to have been killed in Yorkshire. It 

 inhabits the Arctic Regions between Melville Island, and 

 Franz-Josef Land.] 



Genus XEMA, J. Ross in Ross's Voy. 8vo ed. ii. p. 164 



(1819). 

 Xema, a fancy name apparently deToid of meaning. 



Xema sabinii. Sabine's Gull. 



Larus sabini, Joseph Sabine, Trans. Linn. Soc. xii. p. 523 



(1818). 



Gavia sabini, Macg. v. p. 607. 



Larus sabinii, Naum. xiii. pt. 2, p. 273. 



Xema sabini. Gray, p. 236 ; Gould, v. pi. 67. 



Larus sabini, Yarr. ed. 2, iii. p. 537; id. ed. 3, iii. p. 548; 



Harting, p. 171. 

 Xema sabinii, Dresser, viii. p. 337. 

 Sabine's Gull, Yarr. ed. 1, iii. p. 421. 



SaKnii, in honour of Capt. Sir Edward Sabine, late P.E.S., who discovered 

 the species on the west coast of Greenland in 1818. 



A scarce autumnal straggler to the British coasts. It 

 inhabits the arctic districts of North-eastern Asia and North 

 America, and has been obtained as far south as Lima in 

 winter. 



Subfamily Stekcoraiiiin^. 



Genus STERCOEAEIUS, Brisson, Ornith. vi. p. 150 

 (1760). 



Siercordnus = of or belonging to excrement, stercus. 



