GEN. 291-295 OF KEY. 107 
563. STERNA GALERICULATA Licat. 
Elegant Werm. 
564. STERNA CANTIACA Gm. 
Sandwich Wern. 
565. STERNA HIRUNDO L. 
Common Term; Sea Swallow. 
566. STHRNA FORSTERI Nort. 
Horster’s Ferm. 
567. STERNA MACROURA Naumann. 
Arctic Term. 
568. STERNA LONGIPENNIS Norpmann. 
Pike’s Vern. 
569. STERNA PARADISAA Brunn. 
Boseate Term. 
570. STERNA SUPERCILIARIS V. 
Least Vern. 
[571.] STERNA TRUDEAUL Auvp. 
PTiudeaw’s Wern. 
572. STHRNA ALEUTICA Barren. 
Aleutian Wern. 
573. STERNA FULIGINOSA Gm. 
Sooty Tern. 
[574.] STERNA ANOSTH ATA Scoport. 
Bridied Fern. 
575. HY DROCHELIDON FISSIPES (L.) Gray. 
Biack Wern. 
576. ANOUS STOLIDUS (L.) Leaca. 
Noddy Tern. 
577. RHYNCHOPS NIGRA L. 
Black Shimmer. 
