130 SEASONAL CHANGES AND HISTORIES. 



pears in general to be the prime agent in the 

 change from chrysalis to imago, and the period 

 from June to September, when this butterfly is 

 dormant in the chrysalis, is the very one when 

 most butterflies are under- 

 going the greatest amount 

 of change. 



The Gray Hair-streak, or 

 Hop-vine Thecla, as Harris 

 calls it (Uranotes Melinus) 



PIG. 124.-yranotes Melinus, [Fig. 1241, flJCS frOHl May 

 nat. size ; under surface on left. L 



to September, being long- 

 lived in the imago state ; it winters as a chrysalis, 

 like the preceding, but it does not appear so early 

 as that species, being seldom seen before the tenth 

 of May ; a second brood, sprung from the eggs 

 laid by the May butterflies, makes its advent 

 early in July, or occasionally 

 late in June ; fresh accessions ,/fg ;> ? ,,, \ 

 to its numbers from belated %: |- 1^ 

 chrysalids are made throughout ife^^J I 

 July, and these later ones may *4jp*/ 

 be found, with faded beauty, Plo m _^ vm Co . 

 even until the middle of Sep- SS2S oS1eft! lze ; under 

 tember ; from eggs laid by this 

 second brood of butterflies spring the chrysalids 

 which survive the winter. 



The Tailed Blue (Everes Comyntas) [Fig. 125] 

 is also supposed to winter in the chrysalis. It is 



