GEN. 291-295 OF KEY. 107 



5C3. STERNA GALERICULATA Liciit. 

 ESegrtsat Tern. 



5G4. STERNA CANTIACA Gm. 

 $i»]a«l^vic1i Tea-n. 



5G5. STERNA HIRUNDO L. 

 Coniiuoii Tens; Sea S^valSo^v. 



56G. STERNA FORSTERI Nutt. 

 I^oi'ster's Tern. 



667. STERNA MACROURA Naumann. 

 Ai'Ctic Tei'n. 



568. STERNA LONGIPENNIS Nordmann. 



Pilte's Tern. 



569. STERNA PARADISiEA Brunn. 



Itose«ite Tern. 



570. STERNA SUPERCILIARIS V. 



r^east; Tern. 



[571.] STERNA TRUDEAUI Aud. 

 Tmdeaii's Tern. 



572. STERNA ALEUTICA Baird. 



Alentian Tern. 



573. STERNA FULIGINOSA Gm. 



»§ooty Tern- 



[574.] STERNA ANOSTH^TA Scopoli. 

 JSa'idlled Tei'n. 



575. HYDROCHELIDON FISSIPES (L.) Gray. 



Ulaeli Tern. - — 



576. ANGUS STOLIDUS (L.) Leach. 



ll¥o9l«ly Tea-n. 



577. RHYNCHOPS NIGRA L. 



Black ilikiauauer. 



