HOW TO KNOW THE BUTTERFLIES 



quently blurred. On the lower surface the ocellate spots are 

 more distinct. Expanse two inches or more. 



Caterpillar. — Length one and one-fourth inches ; body 

 downy and striped lengthwise with shades of green. The 

 head and hind segments of the body are adorned with a pair 

 of red cone-shaped tubercles. 



Food-plants. — The coarser grasses and sedges. 



This delicate-winged fawn-colored butterfly 

 looks much like a pale little sister of the pearly 

 eye. Its velvety brown spots are almost the 

 same in color and arrangement on the wings 

 except that the upper surface of the front wing 

 usually shows four spots instead of three, as is 

 ordinarily the case with the pearly eye. In the 

 eyed brown the last large spot on the upper sur- 

 face of the hind wing has a center of white. On 

 the lower surface the white centers of all the eye- 

 spots are much larger in proportion than in the 

 pearly eye, each covering one-third of the diameter 

 of the brown circle ; and the band on which the 

 eye-spots are set is yellow instead of lilac. 



The eyed brown is a northern species belong- 

 ing especially to the middle West. It is found 

 in Canada and is not rare in New England. For 

 many years, and also in many books, the species 

 is called eitrydicc ; but Orpheus has evidently 

 found another Eurydice among the butterflies, a 



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