ORDER LONGIPENNES. 91 



59. Larus franklinii Sw. & RICH. 



Franklin's Gull. 



Larus franklinii Sw. & RICH. F. B. A. II. 1831, 424, pi. 71. 

 [B 668, 669, C 555, R 674, C 787.] 



HAB. Interior of North America, breeding chiefly north of the 

 United States ; south in winter to Central and South America. 



60. Larus Philadelphia (ORD). 



Bonaparte's Gull. 



Sterna Philadelphia ORD, GUTHRIE'S Geog. 2d Am. ed. II. 1815, 319. 

 Larus Philadelphia GRAY, List Brit. B. 1863, 235. 



[B 670, C 556, R 675, C 788.] 



HAB. Whole of North America, breeding mostly north of the 

 United States ; south in winter to Mexico and Central America. 



GENUS RHODOSTETHIA MACGILLIVRAY. 



Rhodostethia MACGIL. Man. Brit. Orn. II. 1842, 253. Type, Larus 

 roseus MACGIL. 



61. Rhodostethia rosea (MACGIL.). 



Ross's Gull. 



Larus roseus MACGIL. Mem. Wern. Soc. V. 1824, 249. 

 Rhodostethia rosea BONAP. Rev. Crit. Orn. Eur. Degland, 1850, 201. 



[B 678, C 557, R 676, C 789.] 



HAB. Arctic regions ; Point Barrow, Alaska ; Melville Peninsula ; 

 England, Faroes, Heligoland, etc. 



GENUS XEMA LEACH. 



Xema "LEACH," Ross's Voy. App. 1819, p. Ivii. Type, Larus 

 sabinii SAB. 



62. Xema sabinii (SAB.). 



Sabine's Gull. 



Larus sabinii}. SAB. Trans. Linn. Soc. XII. 1818, 520, pi. 29. 

 Xema sabini EDW. & BEVERL. App. Ross's Voy. Baff. Bay, 4to ed. 

 1819, Ivii. 



