279. Stercorarius pomatorhinus Vieill. POMARINE JAEGER; 

 POMARINE SKUA. A not common winter visitant. 



280. Stercorarius parasiticus Coues. (8. crepidatus Saund.) 

 RICHARDSON'S SKUA ; PARASITIC JAEGER. Along the coast in winter ; 

 not common. 



281. Stercorarius buffoni Cones. (S. parasiticus Saund.) BUF- 

 FON'S SKUA. Rare on the coast in winter. 



282. Larus glaucus Brunn. GLAUCOUS GULL. Rare winter 

 visitant. 



283. Larus leucopterus Fabr. WHITE-WINGED GULL. Rare 

 winter visitant. 



284. Larus marinus Linn. GREAT BLACK-BACKED GULL. Com- 

 mon winter visitant. . 



285. Larus argentatus Linn. HERRING GULL. Abundant win- 

 ter visitant ; a few remain along the coast in summer, where formerly 

 they probably bred. 



286. Larus delawarensis Ord. RING-BILLED GULL. Rather 

 uncommon on the coast in winter. 



287. Larus tridactylus Linn. KITTIWAKE GULL. Common win- 

 ter visitant. 



*288. Larus atricilla Linn. LAUGHING GULL. Formerly a not 

 uncommon summer visitant ; now nearly extirpated from our coast. 



289. Larus Philadelphia Orel. BONAPARTE'S GULL. Common 

 winter visitant, but more numerous in fall and spring. 



290. Xema sabinei Bon. FORKED-TAILED GULL. Accidental. 

 The only record is Boston Harbop, Sept. 27, 1874 (Brewster, Am. 

 Sportsman, V, 1875, 370). 



291. Sterna anglica Mont. (S. aranea auct.) GULL-BILLED TERN. 

 Accidental. A recent record is Ipswich, Sept., 1871 (Brewster, Am. 

 Nat., yi, May, 1872, 306). 



292. Sterna caspia Pallas. CASPIAN TERN. Rare or accidental 

 in winter. 



293. Sterna regia Gamb. ROYAL TERN. Accidental. Two speci- 

 mens takeivby Messrs. Maynard and Brewster on Nantucket Island, 

 July 1, 1874 (Am. Sports., V, 249, Jan. 16, 1875). 



294. Sterna cantiaca Gmel. (S. acuflavida auct.) SANDWICH 

 TERN. Accidental. One record only, Chatham, August, 18G5 (Allen, 

 Amer. Nat., Ill, Feb., 1870, G44). 



*295. Sterna hirundo Linn. COMMON TERN. Abundant summer 

 resident along the coast. 



296. Sterna forsteri Nutt. (S. havelli auct.) FORSTER'S TERN. 

 Rare or accidental. Ipswich, Sept., 1870 (Brewster, Am. Nat., VI, 

 May, 1872, 306; coast, "two or three" specimens, 1873, Purdie, Am. 

 Nat., VII, G93). 



