BRITISH BIRDS. 
51 
Fulmarus Glacialis, Steph. Petrel Fulmar, Temm. Petrel 
de l’isle de St. Rilda, Buff. Northern Fulmar, Shaiv. Ful- 
mar Petrel, Temm. Lath. Mont. Fulmar, Bewick. 
SUB GENUS 3. Thalassidroma. Leach. 
Sp. 1 . T. Pelagica. Linnceus. 
Syn. Procellaria Pelagica, Linn. Grnel. Briss. Lath. Petrel Tem- 
pete, Temm. Oiseau de Tempete, Buff. The Stormy Petrel, 
Penn. Lath. Edw. Mont. Bewick. 
Sp. 2. T. Bullockii. Fleming. 
Syn. Thalassidroma Bullockii, Selby. Procellaria Bullockii, Flem. 
T. Leachii, Temm. Shaw. Petrel de Leach, Temm. An 
undescribed Petrel, with a forked tail, taken at St. Kilda, 
Bullock's Sale Catalogue. Fork-tailed Storm Petrel, Selby. 
The Fork-tailed Petrel, Bewick. 
GENUS 8 . Lestris. Temminck. 
Sp. 1 . L. Cataractes. Linnceus. 
Syn. Larus Cataractes, Linn. Lath. Gmel. Lestris Cataractes, 
Temm. Cataractes, et Catharacta, Will. Ray. Stercoraire 
Cataracte, Penn. Le Groeland Brun, Buff. Skua Gull, 
Lath. Mont. Penn. Bewick. 
Sp. 2. L. Striatus. Brisson. 
Syn. Stercorarius Striatus, Briss. Lestris Pomarinus, Temm. Ca- 
taractes Pomarinus, Shaw. Stercoraire Pomarin, Temm. 
Pomarine Skua, Shaw, Eyton. 
Sp. 3. L. Richardsonii. Sivainson. 
Syn. Lestris Richardsonii, Swain. Faun. Bo. Amer. Arctic Gull, 
Bewick. (Black-toed Gull, probably the young.) 
