NORTH AMERICAN BUTTERFLIES. 00 



although rather more extended on hind ^ving, is overwashed with dusky. 

 Expands 2.75 to 3.00. Habitat, jVrizona. 



111. ARGYNNIS NAUSICAA Edw. 

 Arizona Silver-spot. 

 Similar to aphrodite, but differs in being brighter in color, in hav- 

 ing fore wings more pointed, and in averaging heavier markings above, 

 the second spot in third ro^v, on hind wing, being extended in Avard and 

 fused with that of the fourth row. Fig. 22, b. Beneath, very bright on 

 basal portion of fore wing, but there is less rusty red on hind wing, the 

 interspace being comparatively clear, and the buff under coloring is also 

 visable between other spots. Expands, 2S>0. Habitat, Arizona. 



112. ARGY^^^slS LAIS Edw. 

 Lais Silver-wing. 

 Smaller than A. aphrodite, but with the spots on hind wings above, 

 even more isolated. Beneath, the color of the sub-marginal band is 

 clearer yellow. Expands about 2.00. Habitat, Fort Edmonton, Brit- 

 ish America. 



ll;3.. ABGYNNIS ATLANTIS Edw. 

 Mountain Silver-wing. 



Smaller than A. aphrodite, of the same color above, but differs in 

 having the upper half of marginal band of both wings undivided. Fig. 

 22, c, and in having the third row of spots mostly fused, as in cybele. 

 Fig. 22, b. Basal portions of wings, dusky. Beneath, the ground col- 

 or of hind wings is much more dusky, showing little ferrugineous.. 



Expands, 2.40 to 2.G0. Habitat, Northern New England, New 

 Y'^ork, Iowa, Ontario, Quebec, New Brunswick, Newfoundland, and Brit 

 ish America. Occurs late in July and August. 



lU. ARGYNNIS ELECTA Edw. 

 Electa Silver-spot. 

 Form and general color of atlantis, but paler, markings slighter, 

 bordering divided, and with fewer silver spots beneath. Expands, 2.10 

 to 2.4(J. Habitat, Colorada, Montana, and Los Vegas, New Mexico. 



nr>. ARGYNNIS COLUMBIA PL Edw. 



Columbian Silver-wing. 

 Very similar to atlantis but somewhat resembles hesperis below. 

 Habitat, Lakes Lahache and Quesnelle, British Columbia. 



