APPENDIX. 583 



LARUS GLAUCUS. Glaucous Gull. Burgomaster Gull. A very rare winter 

 visitor. 



LAEUS LEUCOPTERUS. White-winged Gull. A rare winter visitor. 



LARUS DELAWARENSIS Ring-billed Gull Not uncommon in winter. 

 Breeds on the coast of Maine rarely. 



STERNA ACUFLAVIDA. Cabot's Tern. Accidental ; from the South. 

 One obtained at Chatham, Mass., August, 1865, by Mr. Nathaniel 

 Vickary. 



STERNA FULIGINOSA. Sooty Tern. Has been met with on Muskegeet 

 Island, Mass., in the breeding season. A southern species. 



STERNA PARADISEA. Roseate Tern. Summer visitor to southern por- 

 tions of New England. 



PROCELLABIUS GLACIALIS. Fulmar Petrel. Given by Coues as "A 

 rare winter visitant along the coast." 



THALASIDROMA PELAGICA. Stormy Petrel. Rare in winter off the 

 coast. 



PDFFINUS MAJOR. Greater Shearwater. Not uncommon in winter off 

 the coast. 



PUFFINUS ANGLORUM, Mank's Shearwater; and P. FULIGINOSUS, Sooty 

 Shearwater. Are occasionally met with in winter off the coast. 



MORMON CIRRHATA. Tufted Puffin. Very rare, and probably acci- 

 dental ; .in winter, on south-eastern coast of Maine. A north Pacific 

 species. 



COLYMBUS ARCTICUS. Black-throated Diver. Is given in several lists 

 as occurring in winter. Given in Putnam's list as *' common in young 

 plumage in winter, rare in adult plumage." I have never met with an 

 undoubted specimen. Its occurrence in New England must be con- 

 sidered rare. 



URIA ARRA. Thick-billed Guillemot. Not uncommon in winter. 



