26 CHECK-LIST OF NORTH AMERICAN BIRDS. 



74. Sterna antillarum (Less.). 



Least Tern. 



Sternula antillarum Less. Descr. Mam. et Ois. 1847, 256. 

 Sterna antillarum Coues, Pr. Ac. Nat. Sci. Phila. 1862, 552. 



[B 694, C 570, R 690, C 801.] 



Geog. Dist. — Northern South America, northward to California, 

 Minnesota, and New England, and casually to Labrador, breeding 

 nearly throughout its range. 



Subgenus HALIPLANA Wagler. 

 HaliplanaV^ AGh. Isis, 1832, 1224. Type, Sterna fnliginosa GwRh. 



75. Sterna fuliginosa Gmel. 



Sooty Tern. 



Sterna fuliginosa Gmel. S. N. L ii. 1788, 605. 



[B 688, C 573, R 691, C 804.] 



Geog. Dist. — Tropical and subtropical coasts of the globe. In 

 America from Chili to western Mexico and the Carolinas, and 

 casually to New England. 



[76.] Sterna ansethetus Scop. 



Bridled Tern. 



Sterna ancethetus Scop. Del. Faun, et Flor. Ins. II. 1786, no. 

 72,92. 



[B — , C 574, R 692, C 805.] 



Geog. Dist. — Tropical regions generally. Casual in Florida. 



Genus HTDROCHELIDON Boie. 

 Hydrochelidon Boie, Isis, 1822, 563. Type, Sterna nigra Linn. 

 77. Hydrochelidon nigra surinamensis (Gmel.). 



Black Tern. 



Sterna surinamensis Gmel. S. N. I. ii. 1788, 604. 

 Hydrochelidon nigra surinamensis Stejn. Pr. U. S. Nat. Mus. 

 1882, 40. 



