90 J. A. ALLEX, CATALOGUE OF 



.79. Stercorarius pomarinus Temn. Pomarine Jager. 

 Massachusetts Bay. Rare in winter. 



80. Stercorarius parasiticus Temn. Arctic Jager. 

 Massachusetts Bay in winter. Not common, 



81. Stercorarius ceppkus Lawr. Buffon's Skau. Rare. 

 Has been taken near Boston. 



82. Larus marinus Linn. Black-backed Gull. Not a 

 common winter visitant. 



83. Larus delawarensis Ord. Ring-billed Gull. Not 

 very uncommon near the coast in winter. 



84. Larus leucopterus Fabr. White-winged Gull. Rare 

 winter visitant. 



85. Chr&coceplialus atricilla Lawr. Laughing Gull. 

 Winter. Not common. 



86. Rissa tridactyla Bon. Kittiwake Gull. Very com- 

 mon about the islands in Massachusetts Bay in autumn 

 and winter. 



The Fork-tailed Gull (Xema Sabinii Bonap.J may occur 

 on our coast as an occasional visitor. 



87. Sterna aranea Wils. Marsh Tern. Rare summer 

 visitor. (E. A. Samuels, Agr. Mass. 1863, See's Rep. 

 App., p. xxix.) 



88. Sterna fuliyinosa Gm. Sooty Tern. Rare summer 

 visitor. (E. A. Samuels, Agr. Mass., 1863, Secy's Rep., 

 App., p. xxix.) Mr. Samuels informs me that it breeds on 

 Muskegat Island, near Martha's Vineyard. 



89. Sterna hirundo Linn. Wilson's Tern. Common 

 in summer, breeding on the rocky islands in the Bay. 



90. Sterna macroura Naum. Arctic Tern. Common. 

 Chiefly a winter visitant. Sometimes breeds. 



91. Sterna paradisea Briinn. Roseate Tern. Very 

 rare ; perhaps merely accidental ; from the south in sum- 

 mer. Several instances known of its capture in the State. 

 (Chelsea Beach, Nuttall, 'Man. Orn. vol. n, p. 278. Bev- 

 erly, Mass., 1847, S. Cabot Jr., Proc. B. S. N. H. vol. IT, 

 p. 248. Have seen a specimen taken off our coast a few 

 years since. 



92. Sterna frenata Gambel. Least Tern. Spring and 



