20 E 



Canadian Arctic Expedition, 1913-18 



PLATE III. 



Fig. 1. Lecane ephestra, dorsal view. x300. 



2. Lecane ephestra, ventral view. 



3. Lecane jessupi, dorsal view. x300. 



4. Lecane jessupi, ventral view. 



5. Lecane brachydactyla, dorsal view. x300. 



6. Lecane brachydactyla, ventral view. 



