56 I Canadian Arctic Expedition, 191S-1B 



Plate V. 

 Fig. 1. Brenthis frigga alaskensis li&hm.., female. (CoUinson point, Alaska). 



2. Brerai/iis jjoZaris Bdv., female, underside. (Barter island, Alaska) . 



3. Brereito poJans Bdv., male. (Barter island, Alaska). 



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



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



6. Brertthis natazhali iGibson, tjrpe, male. (International Boundary, north of mount 



Natazhat). 



7. Brenthis frigga improba Butl., 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. Homoglaea murrayi Gibson, type, female. (Bernard harbour. Northwest Territories). 



13. Pj/Za arciieZZa Gibson, type, female. (Collinson point, Alaska). 



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



tories). 



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



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



Territories). 



17. Barrovia fasdata Skin., mSile. (Barter island, Alaska) . 



18. Hyphoraia alpina Quens., xasile. (Collinson point, Alaska) . 



19. HyphoraiafestivaBork., male. (Bernard harbour, Northwest Territories) . 



20. Hyphoraia festiva Bork., male. (Port Epworth, Coronation gulf. Northwest Terri- 



tories). 



(All natural size). 



