205 
Canadian Arctic Expedition, 1918-18 
Puate III. 
Lecane ephestra, dorsal view. x300. 
. Lecane ephestra, ventral view. 
. Lecane jessupi, dorsal view. x300. 
. Lecane jessupi, ventral view. 
. Lecane brachydactyla, dorsal view. x300. 
. Lecane brachydactyla, ventral view. 
