ORDER LONGIPENNES. 95 



[B — , C 572, R 689, C 803.] 

 Hab. Coast of Alaska from Kadiak to Norton Sound. 



Subgenus STERNULA Boie. 

 Sternula Boie, Isis, 1822, 563. Type, Sterna minuta Linn. 



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.] 



Hab. Northern South America, northward to California and New 

 England, and casually to Labrador, breeding nearly throughout its 

 range. 



Subgenus HALIFLANA Wagler. 



Haliplana Wagl. Isis, 1832, 1224. Type, Sterna fuliginosa Gmel. 



75. Sterna fuliginosa Gmel. 



Sooty Tern. 



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



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



HAii. Tropical and subtropical coasts of the globe. In America 

 from Chili to Western Mexico and the Carolinas, and casually to New 

 England. 



[76.] Sterna anaethetus Scop. 



Bridled Tern. 

 Sterna ancethetus Scop. Del. Faun, et Flor. Ins. II. 1786, no. 72, 92. 

 [B— , C574, R692, C805.] 

 Hab. Tropical regions generally. Casual in Florida. 



Genus HYDROCHELIDON Bote. 

 Hydrochelidon Boie, Is's, 1822, 563. Type, Sterna nigra Linn. 



