GEN. 291-295 OF KEY. 107 



563. STERNA GALERICULATA LIGHT. 



JBleg-aiit Tern. 



564. STERNA CANTIACA GM. 



Sandwich Tern. 



565. STERNA HIRUNDO L. 

 Common Tern; Sea Swallow. 



566. STERNA FORSTERI NUTT. 



Forstcr's Tern. 



' 567. STERNA MACROURA NAUMANN. 

 Arctic Tern. 



568. STERNA LONGIPENNIS NORDMANN. 

 Pike's Tern. 



* 569. STERNA PARADISJEA BRUNN. 

 Roseate Tern. 



570. STERNA SUPERCILIARIS V. 

 Least Tern. 



[571.] STERNA TRUDEAUI AUD. 

 Trudeau's Tern. 



572. STERNA ALEUTICA BAIRD. 



Aleutian Tern. 



573. STERNA FULIGINOSA GM. 



Sooty Tern. 



[574.] STERNA ANOSTH^ITA SCOPOLI. 

 Bridled Tern. 



575. HYDROCHELIDON PISSIPES (L.) GRAY. 



Black Tern. 



576. ANGUS STOLIDUS (L.) LEACH, 



Noddy Tern. 



-577. RHYNCHOPS NIGRA L. 

 If lack Skimmer. 



