50 I Catiadian Arctic Expedition, 1913-18 
Plate II. 
Fig. 1. Underside of Oeneis semidea Say, female. (Orange creek, Yukon Territory). 
2. Underside of Oeneis semidea Say, male. (Pelly river, Yukon Territory). 
3. Underside of Oeneis semidea Say, male. (Gravel river, Northwest Territories; genitalia 
of this specimen shown on Plate 1, fig. 2). 
4. Underside of Oeneis semidea arctica Gibson, paratype, male. (Bernard harbour. North- 
west Temtories) . 
5. Underside of Oeneis simulans Gibson, type, male. (Bernard harbour, Northwest. 
Territories). 
6. Underside of Oeneis peartice Edw., female. (Bernard harbour, Northwest Territories) 
7. Underside of Oeneis cairnesi Gibson, type, male. (White river district, Yukon 
Territory). 
8. Underside of Oeneis cairnesi Gibson, paratype, female. (White river district, Yukon 
TerritorjO- 
9. Underside of Oeneis brucei yukonensis Gibson, t\T3e, male. (Klutlan glacier, Yukon 
Territory). 
10. Upperside of Oeneis brucei yukonensis Gibson, paratype, female, showing ocelli on 
primaries. (Klutlan glacier, Yukon Territory). 
(All natural size). 
65994—4 
