BIRDS OF BERMUDA. 267 
Length, 16.50; wing, 13; tail, about 5; bill, 1.75; tarsus, 2. 
Hab,—Awmerica, from Maine on the east coast down to the mouth of 
the Amazons and the West Indian Islands; on the west coast, Califor- 
nia, Mexico, Guatemala, and as far south as the northern frontier of 
Peru. (Saunders.) 
One seen, flying close past him, by Colonel Wedderburn, at Ireland 
Island. Mr. Hurdis records that one was taken alive by a fisherman in 
the winter of 1851-52, and was confined for some time in a spare room, 
eventually effecting its escape. 
170. Larus philadelphia, (Ord.) Gray. Bonaparte’s Gull. 
Sterna philadelphia, Ord. 
Chrococephalus philadelphia, Lawr., Coop. & Suck., Coues, Verr., Allen, Dall 
& Bann., Mayn., Newt. 
Larus philadelphia, Gray, Hart., Coues, Ridg., Saunders. 
Larus philadelphicus, Turnb. 
Larus capistratus, Bp. 
Larus bonapartei, Rich., Nutt., Aud., Jerd., Schl. 
Xema bonapartei, Bp. 
Chroicocephalus bonapartei, Bruch. 
Gavia bonapartei, Bp., Blas. 
Length, 14; wing, 10.25; bill, 1.20; tarsus, 1.40. 
Hab.—British North America and Alaska; breeding on the Yukon, 
and in neighboring localities. In autumn descends as far as California 
on the west and North Carolina on the east coast; Bermuda. Acci- 
dental in the British Islands. (Saunders.) 
Three are recorded by Colonel Wedderburn. One was shot by him- 
self on the 27th January, 1849; a second was seen by him on the 15th 
December, 1849 ; and another was killed on the 24th February, 1850. 
Mr. Bartram obtained two specimens in St. George’s Harbor in Jan- 
uary, 1876. 
Genus Rissa, Leach. 
171. Rissa tridactyla, (Linn.) Bp. Kittiwake. 
Larus rissa, Linn., Gm., Leach, Flem. 
Laroides rissa, Brehm. 
Larus riga, Gm., Less. 
Larus tridactylus, Linn., Gm., Lath., Retz., Nils., Mey. & Wolf, Temm., Vieil., 
Brehm., Bp., Sw. & Rich., Nutt., Aud., Naum., Keys. & Blas., Schl., Gir., 
Coues. 
Gavia tridactyla, Boie. 
Cheimonea tridactyla, Kaup. 
Laroides tridactyla, Brehm, 
Rissa tridactyla, Bp., Graz, Bruch, Lawr. nc sacet Ridg., Verr., Allen, Newt., 
Dall & Bann., Finsch, Blas., Seniors 
Larus nevius, Schiift, 
Larus torquatus et Larus gavia, Pall. 
