12 GLEANINGS FEOM NATURE. 



the month. Hovering above them on both, dates 

 have been seen specimens of Vanessa antiopa Linn., 

 that handsome velvety -brown butterfly, called the 

 mourning cloak, or Camberwell beauty. This is the 

 most common of the five species of butterflies which 

 in Indiana pass the cold season in the perfect or winged 

 stage. For four long months they remain securely 

 hidden in crevices of rocks or logs. When called 



Fig. 1 Camberwell Beauty. (After Harris.) 

 % (The under side of \\ in<< is shown on the right.) 



forth by the warm spring breezes they find ready and 

 waiting for them the snow trilliums with their store 

 of honey, and, after their prolonged fast, they no doubt 

 feast bountifully thereon. Thus is seen an example 

 of that mutual interdependence existing everywhere 

 among the various objects of nature, for never does an 

 insect come forth until its food plant is ready; and, 

 on the other hand, the plant seldom blooms but an 

 insect appears ready to aid in its fertilization. 



