54 I Canadian Arctic Expedition, 1913-18 



Plate IV. 



Fig. 1. Eurymus boothi Curtis, male. (Bernard harbour, Northwest Territories). 



2. Eurymus boothi Curtis, male. (Bernard harbour. Northwest TeiTitories). 



3. Oeneis brucei yukonensis Gibson, type, male. (Klutlan glacier, Yukon Territory). 



4. Oeneis semidea arctica Gibson, type, male. (Bernard harbour, Northwest Territories) . 



Genitalia of this specimen shown on Plate I, fig. 4. 



5. Oeneis peartice Edw., female. (Bernard harbour. Northwest Territories). 



6. Oeneis cairnesi Gibson, type, male. (White river district, Yukon Territory). 



7. Erebia fasciaia Butler, female. (Lat. 65° 10' long. 141°). 



8. Erebia faseiata Butler, male. (Arrnstrong point, Victoria island, Northwest Territories). 



9. Erebia rossi Curtis, female. (Wollaston Land, Victoria island. Northwest Territories). 



10. Erebia youngi HolL, male. (Siwash creek, Yukon Territory). 



11. Erebia sofia Stkr., male. (White river district, Yukon Territory). 



12. Brenthis disiincta Gibson, type, female. (Harrington creek, Yukon Territory). 



(AU natural size) . 



