Genus Erebia 



On the under side the wings are pale hoary gray, with the hind 

 wings adorned by a marginal series of small ocelli, black, ringed 

 about with yellow and pupiled with pale blue. 



Early Stages. — Unknown. 



Hayden's Ringlet is found in Montana, Idaho, Wyoming, 

 and Colorado. 



Genus EREBIA, Dalman 



(The Alpines) 



" Then we gather, as we travel, 

 Bits of moss and dirty gravel, 



And we chip off little specimens of stone; 

 And we carry home as prizes 

 Funny bugs of handy sizes, 

 Just to give the day a scientific tone." 



Charles Edward Carryl. 



Butterfly. — Medium-sized or small butterflies, dark in coloi 

 wings marked on the under side with eye-like spots; thv 

 antennae short, with a gradually thickened club. The eyes ar* 



naked. The costal vein of the fore wing is 

 generally strongly swollen at the base. The 

 subcostal vein is five-branched ; the first two 

 nervules generally emitted before the end 

 of the cell; the third nearer the fourth than 

 the end of the cell; the fourth and fifth ner- 

 vules spring from a common stem, the 

 fourth terminating immediately on the apex. 

 The lower radial is frequently projected in- 

 wardly into the cell from the point where 

 it intersects the union of the middle and 

 lower discocellular veins. The outer mar- 

 gins of both wings are evenly rounded. 



Egg.— Subconical, flattened at the base 

 and at the top, the sides marked by nu- 

 merous raised vertical ridges, which oc- 

 casionally branch or intersect each other. 

 Caterpillar.— The head is globular, the body cylindrical, 

 tapering gradually backward from the head, the last segment 

 slightly bifurcate. 



208 



Fig. 118. — Neuration 

 of the'genus Erebia, en- 

 larged. 



