18 E 



Canadian Arctic Expedition, 1918-18 



PLATE II. 



Fig. 1. Euchlanis pellucida, dorsal view. x!30. 



2. Euchlanis pellucida, lateral view. 



3. Euchlanis pellucida, variety A, cross section. 



4. Euchlanis pellucida, variety B, cross section. 



5. Euchlanis pellucida, variety C, cross section. 



