INDEX TO THE SPECIES DESCRIBED. 



The Approved Names only are employed, the Synonymes and Provincial Names 

 beincf excluded. 



Alca impennis, 

 American Wigeon, . 

 Anas Boschas, . 



■ Crecua, 



giocitans, 



Arctic Puffin, 



Tern, 



Aythya Ferina, 

 rufina, 



Bimaculated Duck, . 

 Black-backed Eider, 



footed Kittiwake, 



Guillemot, 



Marsh-Tern, . 



Scoter, 



throated Loon, 



Blue-winged Shovel-bill, 

 Bonaparte's Mew, 

 Bridled Guillemot, . 

 Broad-billed Scaup-Duck, 

 Brown-hooded Mew, 



masked Mew, 



Brunnich's Guillemot, 

 Buff-breasted Goosander, 

 Buffel-headed Garrot, 

 Bulwer's Storm-Petrel, 

 Burrow Shielduck, 



Caspian Strong-billed Tern, 

 Cctosparactes eburneus, , 

 Cinereous Shearwater, 

 Clangula Albeola, 



Chrysophthalma, 



histrionic a, 



