52 I , Canadian Ar die Expedition, 1913-18 



Plate III. 

 Fig. 1. Pieris napi -pseuddbryonios Verity, male. (Bartlett bay, Alaska). 



2. Pieris napi pseudobryonia Verity, female. (Bartlett bay, Alaska). 



3. Piens napi arciica Verity, female. (Bet. lat. 67° 25' and 66° 30'; long. 141°). 



4. Piens napi ordico Verity, male, underside. (Nansen creek, Yukon Territory). ' 



5. Erebia sofia Stkr., female, underside. (Harrington creek, Yukon Territory). 



6. Brenthis natazhati Gibson, type, male, underside. (Long. 141°, north of mount 



Natazhat). 



7. Euchloe creusa Dbldy., chrysalis. (Departure bay, British Columbia). 



8. Hyphoraia alpina Quens., cocoon. (CoUinson point, Alaska). 



9. Gynaephora rossi Curtis, larva. (Collinson point, Alaska). 



10. Hyphoraia alpina Quens., cremaster, X 9. (Collinson point, Alaska). 



11. Hyphoraia f estiva Bork., cremaster, X 9. (Bernard harbour. Northwest Territories). 



12. Brenthis natazhati Gibson, female. (Bernard harbour, Northwest Territories). 



13. Aviogrdpha altera Ottol.? male. (Bernard harbour. Northwest Territories). 



14. Autographa sackeni Ottol.? male. (Mayo lake, Yukon Territory). 



16. Plebeius scudderi Edw., male. (West side of Kluane lake, Yukon Territory). 



16. Plebeius aquiloBdv.?, male. '(Burwash creek, Yukon Territory). 



17. Plebeius aquilo Bdv.?, male. (Kluane, Yukon Territory). 



18. Plebeius aquilo, Bdv., male. (Bernard harbour. Northwest^ Territories). 



(All natural size) . 



65994—5 



