Genus Satyrus 



This form of 5. alope is common in the region west of the 

 Mississippi. The males are a trifle darker and the females a 

 shade paler than in the form nephele, which they closely approxi- 

 mate, and from which it would almost be impossible to separate 

 them without a knowledge of the country whence they come. 



{c) Satyrus alope, form ariane, Boisduval, Plate XXVI, Fig. 

 5, (5 ; Fig. 6, ?, under side (Ariane). 



In ariane we have a decidedly dwarfed form, in which the 

 males and the females are quite dark. The ocelli, though small, 

 are persistent, well defined, rarely showing a tendency to dis- 

 appear completely. This form is found in British America, Ore- 

 gon, and the northwestern portion of the United States. 



{d) Satyrus baroni, Plate XXVI, Fig. 15, 3 ; Fig. 16, 5, 

 tinder side (Baron's Satyr). 



This is another form, dark on the upper side and reddish 

 below, in which the ocelli on the under side show a tendency to 

 become obsolete, and in some specimens are wholly wanting. 



There are other varietal forms, one of which, named boopis 

 by Behr, is commonly found on the Pacific coast in northern 

 California, Oregon, and Washington, and the ocelli, while prom- 

 inent on the upper side of the wings, are almost obsolete below. 



Early Stages.— The early stages of S. alope (typical form) 

 and its variety nepbele have been well described by several 

 authors. The caterpillar feeds on grasses. There is, however, 

 a fine field for the entomologist to work out the causes of the 

 rather remarkable variation to which the species is subject. 



(3) Satyrus gabbi, Edwards, Plate XXVI, Fig. 17, ?, under 

 side (Gabb's Satyr). 



Butterfly.— The male is dark reddish-brown, the female pale 

 fawn. The ocelli in both sexes are very well developed on both 

 sides of the wings. The anal series on the secondaries consists 

 of three spots, of which the one in the middle is always large. 

 Expanse, 2.2^^ inches. 



Early S/j^^^s. — Unknown. 



Gabb's Satyr is found in Oregon and Utah. 



(4) Satyrus meadi, Plate XXVI, Fig. 13, ?; Fig. 14, $, 

 tinder side (Mead's Satyr). 



Butterfly.— IWis well-marked species is comparatively small, 

 and may easily be distinguished from all others by the bright red 

 on the limbal area above and on the middle area of the prima- 

 ries below. Expanse, i. 60-1. 7s inch. 



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