Bui. Univ. of Mont., Biol. Series No. 10. 



Plate IV. 



Eurymus eurytheme, 3, under side; 4, upper side of female; 1, upper 

 side of male; 2, lower side of female, form keewayden; 5, upper side of 

 male; 6, lower side of female, form meadii; 7, upper side of male; 8, 

 lower side of female, form ariadne. 



