THE TORTRICINA. 



141' 



they lead very different lives.. Their skin is shiny, soft, and 

 frequently covered here and there with hairs which are exqui- 

 sitely sensitive. They are of different colours ; the green tints.' 



THE METAMORPHOSIS OF Halias quercaua. 



however, predominate, and they are not perfectly white like those 

 caterpillars that never see daylight. These Leaf Rollers usually 

 undergo their metamorphoses in the tubes, folds, and packets of 

 leaves which were formed by the caterpillars which shut up all 

 the orifices with silken threads when they have attained their full 



