ORDER LONGIPENNES. 



91 



59. Lams franklinii Sw. & Rich. 

 FraukUu's Gull. 



Lams franklinii ^\f . & 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. Lams Philadelphia (Ord). 



Bonaparte's Gull. 



Sterna Philadelphia Ord, Guthrie's Geog. 2d Am. ed. II. 1815, 319. 

 Lariis pl{iladelphia 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. 



Rhodostet'nia Macgil. Man. Brit. Orn. II. 1842, 253. Type, Larus 

 roseus Macgil. 



61. Rhodostethia rosea (Macgil.). 



Ross's Gull. 



Lams roseus Macgil. Mem. Warn. Soc. V. 1824, 249. 

 Rhodostethia rosea Bonap. Rev. Grit. 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. 

 1 819, Ivii. 



