222 - 



220 L. marinus. Saddle-backed Gtdl. (458. m. ym. w.) 



"Winter. Not abundant. 



Family — Pro cellaring. Fulmars. 

 Genus Lestris. Jager. 



221 L. richardsonii. Richardsoji' s Jager. 



Winter. Rare. 



Genus— PuFFiNUS. Shearwater. 



222 P. cinereus. Wandering Shearioater. (464. a. w.) 



"Winter. Common. 



Genus — Thalassidroma. Petrel. 



223 To wilsonii. Wilson's Petrel (468. f.) 



Common. 



Family — Alcin^. Auks. 

 Genus — Mormon. Pujffin. 



224 M. arcticus. Common Puffin. 



"Winter. Rare. 



Genus — Mergulus. Sea-Dove. 



225 M. alio. Common Sea Dove. (477. a. w.) 



"Winter. Common in some, and rare in other winters. 



Genus — Uria, Guillemot. 



226 U. brunnichii. Large-billed Guillemot (480. a, w.) 



Winter. Not common. 



227 U. troile. Foolish Guillemot. (481. e.) 



"Winter. Common. 



228 U. grylle. Black Guillemot. (482. m. a. w.) 



Winter. Common. 



Family — Colymbin^. Divers and Grebes. 

 Genus — Colymbus. Diver. 



229 C. glacialis. Northern Diver, or Loon. (484. m. "w. e.) 



Spring and Autumn, and occasionally in the Winter. 



