CONTENTS. 



Those marked thus, * not being recognized as British Birds, are not figured. 



A lea impennis 



A lea torda - 



* A nous stolidus 



Arctic Tern - 



*Black-Eyebrowed Albatros 



Black Guillemot - 



Black-Headed Gull - 



Black Tern - 



Black-Throated Diver - 



Bonaparte's Gull - 



Briinnich's Guillemot - 



Buffon's Skua 

 *Bulweria columbinia 

 *Bulwer's Petrel 



*Capped Petrel 



Caspian Tern 

 *Collared Petrel 

 *Colymbus adamsi - 



Colymbus arcticus - 



Colymbus glacialis 



Colymbus septentrionalis 



Common Gull 



Common Tern 



*Diomcdea melanophrys - 

 *Dusky Shearwater 



Eared Grebe 



Fork-Tailed Petrel 

 Fra tercu la a rctica - 

 *Frigate Petrel 

 Fulmar 

 Fuimarus glacialis 



18 



95 

 236 

 132 



90 



75 

 181 

 164 

 226 



112 

 138 



18 



80 

 15 

 13 



8 

 23 



99 



108 



IO2 



80 



2 4 2 



7 6 



85 



95 

 75 

 99 

 90 



73 

 65 

 63 

 68 



