24 
387* ICELAND GULL 
LARUS LEUCOPTERUS F. 
388 HERRING GULL 
LARUS ARGENTATUS Gm. 
389 LESSER 
BLACK-BACKED GULL 
LARUS FUSCUS L. 
390 GREAT 
BLACK-BACKED GULL 
LARUS MARINUS L. 
391 GREAT SKUA 
STERCORARIUS CATARRHACTES (L.) 
392 RICHARDSON’S SKUA 
STERCORARIUS PARASITICUS (L.) 
393 BUFFON’S SKUA 
STERCORARIUS LONGICAUDUS V. 
394 POMATORHINE SKUA 
STERCORARIUS POMATORHINUS (T.) 
PROCILLARiD/E. 
395 MANX SHEARWATER 
PUFFINUS ANGLORUM T. 
396* GREAT SHEARWATER 
PUFFINUS MAJOR F. 
397-fAf. DUSKY 
SHEARWATER 
PUFFINUS OBSCURUS Gm. 
398 FULMAR 
FULMARUS GLACIALIS (L.) 
399fAm. CAPPED PETREL 
CESTRELATA H/ESITATA (Ku.) 
400 STORMY PETREL 
PROCELLARIA PELAGICA (L.) 
401 FORK-TAILED PETREL 
PROCELLARIA LEACHII (T.) 
402 f Am. WILSON’S PETREL 
PROCELLARIA OCEANICA Ku. 
403t Af. BULWER’S PETREL 
BULWERIA COLUMBINA W. & B. 
