56 I Canadian Arctic Expedition, 1913-18 
Plate \'. 
Fig. 1. Brenthis frigga alaskensis Lehm., female. (CoUinson point, ..Vlaska). 
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 alaske7isis Holl., male. (Racquet creek, International Boundary). 
G. Brenthis nalazhati Gibson, type, male. (International Boiuidary, north of mount 
Natazhat). 
7. Brenthis frigga iniproha Butl., female. (Bernard harbom-, Northwest Territories). 
8. Brenthis frigga imprGba Butl., male. (W. of Konganevik, Camden bay, Alaska). 
9. Paraharrovia 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. //owo(7Zaea TOwrraj/i Gibson, type, female. (Bernard harbour, Northwest Territories). 
13. Pyla arctiella Gibson, type, female. (Collinson point, Alaska). 
14. Anarta leiicocycla Staud., female. (Cape Pullen, Victoria island. Northwest Terri- 
tories) . 
15. I tame andersoni Swett., male. (60 miles from Whitehorse, Yukon Territory). 
16. Aruirta subfumosa Gibson, type, male. (Armstrong point, Victoria island, Northwest 
Territories). 
? 17. Barrovia fasciata. i>k\n., nvAv. (Barter island, Alaska). 
18. Hyphoraia alptria (^uens., male. (Collinson point, Alaska). 
19. H y phoraia f estiva Bork., mal(>. (Bernard harbour, Northwest Territories). 
20. Hyphoraia fesliva }iork., male. (Port Epworth, Coronation gulf, Northwest Terri- 
tories) . 
(All natural size). 
( 
