22 BIRDS OF MAINE. 



Subgenus STERNULA Boie. 



32. (74). Sterna antillarum (7>e.s'.5.). Least Tern. 



Formerly of quite regular occurrence on the Green Islands in 

 Casco Bay. It is reported by Mr. Boardman as being accidental 

 at Grand Menan, New Brunswick. There are no recent records. 



Couuty Eecords.— Cumberland, "formerly occurred every year at Green 

 Islands, but none seen for a number of years" (Brown's Cat. Birds of 

 Portland, p. 35). 



Subgenus HALIPLANA Wagler. 

 3.3. (75). Sterna fuliginosa (rmeL Sooty Tern. 



There is only one specimen recorded from the state, and this 

 was taken at Parkmau in Piscataquis County, October 5, 1878. It 

 is recorded by Ruthven Deane in the Bulletin of the Nuttall Orni- 

 thological Club, Vol. 5, page 64. 



Geuus HYDROCHELIDON Boie. 



34. (77). Hydrochelidon nigra surinameusis (^Gmel.). 



Black Tern. 

 This species is of rare or casual occurrence in the migrations. 

 It is reported by Mr. Boardman as accidental at Grand Menan, 

 New Brunswick. 



County Records. — Cumberland, "transient in autumn, uncommon" 

 (Brown's Cat. Birds of Portland, p. 35) ; York, "occurs at Wells Beach" 

 (Brown in Bull. Nutt. Orn. Club, Vol. 7, p. 190). 



Family RYNCHOPID^. Skimmers. 

 Genus RYNCHOPS Linnajus. 



35. (80). Rynchops nigra Linn. Black Skimmer. 



An accidental visitor from the south. Several specimens have 

 been taken at various times. 



County Records. — Knox, "]\Iatinicus Island" (recorded injSmith's List 

 of Birds of Maine, Forest and Stream, Vol. 20, p. 205) ; Washington, 

 "accidental" (Boardman) ; York, "taken at Wells Bay" (recorded in 

 Smith's List as above). 



