150 THE NATUKALIST'S GUIDE. 



SULID^E, THE GANNETS. 



256. Sula bassana, Ross. Gannet, " Haglett." Com- 

 mon in winter off' the coast. 



257. Sula fiber, LINN. Booby. Given as rare in 

 Essex County, some years ago, by Mr. Putnam ; no record 

 of its capture recently. 



GRACULID^E, THE CORMORANTS. 



258. Graculus dilophus, GRAY. Double-crested Cor- 

 morant, " Shag." Not uncommon off the coast in winter. 



259. Graculus carbo, GRAY. Common Cormorant, 

 "Shag." Common ott' the coast in autumn and winter. 



LARID^E, THE GULLS, TERNS, ETC. 



260. Buphagus Skua, COUES. Skua Gull. Said 

 to be rare on the coast ; perhaps doubtful. 



261. Stercorarius pomarinus, TEMM. Pomarine 

 Skua or Jdger. Not uncommon along the coast in autumn 

 and winter. 



262. Stercorarius parasiticus, GRAY. Arctic Jdger. 

 Rare in winter off the coast. 



263. Stercorarius Buffonii, COUES. Long-tailed 

 Jdger, " Marlinspike." Not uncommon off the coast in 

 winter. 



264. Larus marinus, LINN. Great Black-backed Gull, 

 "Saddle-back," "Coffin-carrier." Common during winter. 



265. Larus glaucus, BRUNN. Glaucous Gull, " Ice 

 Gull." Rare in winter. 



266. Larus leucopterus, FABER. White-winged Gull. 

 Not common in winter. 



