weeks or so, when the interest 

 in them slackened a bit, they 

 were left to their usual quiet 

 solitude. 



Of all living things, butter- 

 flies, from the classical to the 

 present-day writers, have ever 

 been cited as an epitome of joy- 

 ous living, and freedom from 

 responsibility of any sort. But 

 they are not the idlers that they 

 seem, nor are they free from a 

 systematic scheme of living. 

 The Anosiae not only return to 

 this same place each season, but 

 once arrived, they adhere to a 

 fixed routine which has not va- 

 ried in observations extending 

 over a period of sixteen years. 

 It takes three or four weeks for 

 them to get settled after arriv- 



16 



