20 BIRDS OF MAINE. 



County Eecords. Cumberland, "quite common summer resident, 

 breeding on the outer islands of Casco Bay" (Brown's Cat. Birds of Port- 

 land, p. 34) ; Knox, "summer" (Rackliff) ; Washington, "few about the 

 islands in summer" (Boardmau). 



25. (60). Lams Philadelphia (Ord). Bonaparte's Gull. 

 This species is very common along the coast in the migrations, 



and a few remain through the winter. It also occurs, though less 

 commonly, on the larger lakes of the interior, but does not breed 

 within the state. It is commonest from early August to Novem- 

 ber and from April to June. 



County Records. Androscoggin, (Pike); Cumberland, "not rare 

 straggler" (Mead), "abundant during migrations" (Brown's Cat. Birds 

 of Portland, p. 34) ; Hancock, "common in fall" (Dorr) ; Knox, 

 "migrant" (Rackliff) ; Oxford, "very rare" (Nash) ; Piscataquis, "not 

 uncommon migrant on the larger lakes" (Homer) ; Sagadahoc, "plenty 

 from Nov. until April" (Spinney ^ ; Washington, "very abundant, none 

 breed" (Boardman). 



Genus XEMA Leach. 



26. (62). Xema sabinii (Sab.). Sabine's Gull. 



Of accidental occurrence within the state. One specimen is 

 recorded in Smith's List of the Birds of Maine, and this same speci- 

 men is again recorded in the Bulletin of the Nuttall Ornithological 

 Club, Vol. 3, page 195. Mr. Boardman took a specimen near 

 Eastport, on Indian Island, New Brunswick, in May, 1878. 



County Records. Cumberland, "one taken in Scarborough on May 

 31st, 1877" (for this record see Forest and Stream, Vol. 20, page 205, 

 under Smith's List of the Birds of Maine). 



Subfamily STERNIN^E. Terns. 

 Genus GELOCHELIDON Brehm. 

 27. (63). Gelochelidon nilotica (Hasselq.). Gull-billed Tern. 



This species has occurred as an accidental visitor from the south, 

 several specimens having been taken at different times. 



County Records. Cumberland, "three taken in Sept. 1868, and birds 

 also seen on May 21st, 1881" (Smith's List of the Birds of Maine, Forest 

 and Stream, Vol. 20, p. 205) ; Washington, "accidental" (Boardman.) 



