VI 



Arctic Tern, 

 Roseate Tern, 

 Black Tern, 

 Least Tern, 

 Noddy Tern, 



CONTENTS. 







- Sterna Arctica, 



- 



107 



Dougallii, 



- 



112 



nigra, 



- 



116 



minuta, - 



- 



119 



stolida, - 



- 



123 



Genus III. Larus. Gull. 



126 



Forked-tailed Gull, 



- 



Larus Sabini, 



127 



Ross' Gull, - 



- 





Rossii, 



130 



Bonaparte's Gull, - 



- 





Bonapartii, 



131 



Black-headed, or Laughing Gull, 



- 





Jltricilla, 



136 



Franklin's Rosy Gull, 



- 





Franklinii, 



145 



Kittiwake Gull, 



- 





tridactylus, 



146 



Ivory Gull, - 



- 





eburneus, 



150 



Common American Gull, 



- 





zonorhynchus, - 



152 



White-winged Silvery Gull, 



- 





leucopterus, 



159 



Western Gull, - 



- 





occidentalism 



161 



Herring or Silvery Gull, 



- 





argent atus, 



163 



Glaucous Gull or Burgomaster, 



- 





glaucus, - 



- 170 



Great Black-backed Gull, 



- 





marinus, - 



- 172 



FAMILY XLIII. PROCELLARIN^. 



FULMARS. - 



184 



Genus I. Lestris. Jager. 





- 



- 



1S5 



Pomarine Jager, 



- 



Lestris pomarinus, 



186 



Richardson's Jager, 



- 





Richardsonii, - 



190 



Arctic Jager, - 



- 





parasiticus, 



192 



Genus II. Diomedea. Albatross. 



195 



Yellow-nosed Albatross, 



- 



- Diomedea chlororhynchos, - 



196 



Black-footed Albatross, - 



- 



nigrijjes, 



19S 



Dusky Albatross, - 



- 



fusca, 



200 



Genus III. Procellaria. Fulmar. - 



201 



Gigantic Fulmar, 

 Common Fulmar, 

 Pacific Fulmar, 

 Slender-billed Fulmar, 



Procellaria gigantea, - 



202 



glacialis, - 



204 



pacifica, - 



208 



tenuirostris, 



210 



Genus IV. Puffinus. Shearwater. 



211 



