150 THE NATUEALIST'S GUIDE. 



SULIDJE, THE GANNETS. 



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

 mon in winter oft' the coast. 



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

 Essex County, some years ago, by Mr. Putnam j 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 ofr' the coast in autumn and winter. 



LAPJD^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 Jager. Not uncommon along the coast in autumn 

 and winter. 



262. Stercorarius parasiticus, GRAY. Arctic Jager. 

 Rare in winter off the coast. 



263. Stercorarius Buffonii, COUES. Long-tailed 

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

 winter. 



264. Larus marinus, LINN. Great Slack-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. 



