BUTTERFLIES OF MONTANA. 125 



3. Upper surface of wings conspicuously marked with blue scales 

 Upper surface of wings with but few if any blue scales 4. 



4. Lower surface of hind wings bright green marked with brown and 



white Mitoura P. 



Lower surface of hind wings not green 5. 



5. Lower surface of wings with a narrow white-edged bar at end of dis- 



cal cell Thecla, P. 127 



Without bar at end of discal cell Uranotus, P. 126 



6. Under side of hind wings without a row of orange spots 



Incisalia, P. 130 



Under side of hind wings with a row of orange spots Stryman, P. 131 

 Under side of hind wings pale fawn, with a row of red spots 



Erora, P. 131 

 Under side of hind wings green Callophrys, P. 130 



7. Color above orange red with a coppery luster, or brown with a cop- 

 pery tinge, in each case spotted with black 8. 

 Color above blue or bluish black 10. 



8. Hind wings with a broad orange-red band on the outer margin ex- 

 tending from the anal angle nearly to the apex 9. 

 Hind wings with a sinuous submarginal orange line beginning at the 



anal angle and fading out near the middle of the outer margin 



Epidemia, P. 133 



9. Fore wings fulvous, hind wings brown Heodes, P. 134 

 Both wings brown Gaeides, P. 133 

 Wings under side front wings orange hind wings gray Chalceria, P. 134 

 \v ings under side front wings orange hind wings gray Chrysophanus 



10. Hind wings with a slender tail like prolongation Everes, P. 139 

 Hind wings without tails 11- 



11. Under side fore and hind wings similar 13. 



12. Under side of secondaries pale gray with white spots Agriades, P. 136 

 Under side gray, with spots pupiled with black Cupido, P. 135 



13. Hind wings with golden or orange spots Rusticus, P. 137 



Hind wings without golden or orange spots 



14. Lower surface of wings slate brown Nomiades, P. 136 



Lower surface of wings pale ash gray Cyaniris, P. 138 



