56 i Canadian Arctic Expedition, 1918-18 



Plate V. 



Fig. 1. Brenthis frigga alaskensis Lehm., female. (Collinson point, Alaska). 



2. Brenthis polaris Bdv., female, underside. (Barter island, Alaska). 



3. Brenthis polaris Bdv., male. (Barter island, Alaska) . 



4. Brenthis polaris Bdv., female. (Barter island, Alaska). 



5. Brenthis pales alaskensis Holl., male. (Racquet creek, International Boundary). 



6. Brenthis natazhati Gibson, type, male. (International Boundary, north of mount 



Xatazhat). 



7. Brenthis frigga improba But!., female. (Bernard harbour, Northwest Territories). 



8. Brenthis frigga improba Butl., male. (W. of Konganevik, Camden bay, Alaska). 



9. Parabarrovia keelei Gibson, paratype, female. (Mountain below Twitya river, North- 



west Territories). 



10. Parrabarrovia keelei Gibson, type, male. (Mountain below Twitya river, Northwest 



Territories). 



11. Diasemia alaskalis Gibson, type, male. (Collinson point, Alaska). 



12. Honwglaea murrayi Gibson, type, female. (Bernard harbour, Northwest Territories). 



13. Pyla arctiella Gibson, type, female. (Collinson point, Alaska). 



14. Anarta leucocycla Staud., female. (Cape Pullen, Victoria island, Northwest Terri- 



tories). 



15. Itame andersoni Swett., male. (60 miles from Whitehorse, Yukon Territory). 



16. Anarta subfumosa Gibson, type, male. (Armstrong point, Victoria island, Northwest 



Territories). 



17. Barrovia faseiata Skin., male. (Barter island, Alaska). 



IS. Hyphoraia alpina Quens., male. (Collinson point, Alaska). 



10. Hyphoraia j 'estiva Bork., male. (Bernard harbour, Northwest Territories). 



20. Hyphoraia j 'estiva Bork., male. (Port Epworth, Coronation gulf, Northwest Terri- 

 tories). 



(All natural size). 



