26 CHECK-LIST OF NORTH AMERICAN BIRDS. 
74. Sterna antillarum (LEss.). 
Least Tern. 
Sternula antillarum Less. Descr. Mam. et Ois. 1847, 256. 
Sterna antillarum Cours, Pr. Ac. Nat. Sci. Phila. 1862, 552. 
[B 694, C 570, R 690, C 8o1. ] 
Geroc. Dist.— Northern South America, northward to California, 
Minnesota, and New England, and casually to Labrador, breeding 
nearly throughout its range. 
SuBGENUS HALIPLANA WaAGLER. 
Haliplana Wact. Isis, 1832, 1224. Type, Sterna fuliginosa GMEL. 
75. Sterna fuliginosa GmMeEL. 
Sooty Tern. 
Sterna fuliginosa GMEL. S. N. I. ii. 1788, 605. 
[B 688, C 573, R 691, C 804.] 
Geoc. 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 anzthetus Scop. 
Bridled Tern. 
Sterna anethetus Scop. Del. Faun. et Flor. Ins. II. 1786, no. 
12792: 
[B—,C 574, R692, C S05.) 
Groc. Dist.— Tropical regions generally. Casual in Florida. 
Genus HYDROCHELIDON Bort. 
Hydrochelidon Botk, Isis, 1822, 563. Type, Sterna nigra LINN. 
77. Hydrochelidon nigra surinamensis (GMEL.). 
Black Tern. 
Sterna surinamensis GMEL. S. N. I. 11. 1788, 604. 
Hydrochelidon nigra surinamensis STEJN. Pr. U. S. Nat. Mus. 
1882, 40. 
