CONTENTS. 



Black-headed Gull . 

 Laughing Gull 

 Ivory Gull 



Common Gull . . 

 Iceland Gull . . 

 Lesser Black-backed Gull 

 Great Black-backed Gull 

 Herring Gull 

 Glaucous Gull . 

 Kittiwake . 

 Skua . 



Pomerine Skua . 

 Richardson's Skua . 

 Buffon's Skua 

 Cinereous Shearwater 

 Manx Shearwater 

 Dusky Petrel . 

 Capped Petrel 

 Fulmar . 

 Bulwer's Petrel . 

 Wilson*s Petrel 

 Leach's Petrel 

 Stormy Petrel 



