GEN. 291-295 OF KEY. 107 



563. STERNA GALERICULATA LIGHT. 

 JBlegrant Tern. 



5G4. STERNA CANTIACA GM. 

 Sandwich Tern. 



565. STERNA HIRUNDO L. 

 Common Tern; Sea * wallow. 



566. STERNA PORSTERI NUTT. 



Forster's Tern. 



567. STERNA MACROURA NAUMANN. 



Arctic Tern. 



568. STERNA LONGIPENNIS NORDMANN. 



Pike's Tern. 



569. STERNA PARADIS^IA BRUNN. 



Roseate Tern. 



670. STERNA SUPER CILIARIS V. 

 Least Tern. 



[571.] STERNA TRUDEAUI AUD. 

 Trudeau's Tern. 



572. STERNA ALEUTICA BAIRD. 



Aleutian Tern. 



573. STERNA FULIGINOSA GM. 



Sooty Tern. 



[574.] STERNA ANOSTHJETA SCOPOLI. 

 Bridled Tern. 



575. HYDROCHELIDON PISSIPES (L.) GRAY. 



Black Tern. 



576. ANGUS STOLIDUS (L.) LEACH. 



Noddy Tern. 



577. RHYNCHOPS NIGRA L. 



Black Skimmer. 



