CHAPTER VII. 



OF INSECTS IN THEIR PERFECT OR " IMAGO " STATE, 

 ESPECIALLY THOSE OF THE ORDER LEPIDOPTERA 

 — THEIR ESCAPE FROM THE CHRYSALIS— THE 

 SUDDEN GROWTH OF THEIR WINGS ON ISSUING 

 FROM THE SHELL, THE DURATION OF THEIR 

 EXISTENCE IN THE PERFECT STATE — AND THE 

 DESCRIPTION OF THE BUTTERFLIES ENGRAVED 

 IN PLATE II. 



speaking of the transition of insects 

 from the chrysalis to the perfect state, 

 I shall confine myself principally to 

 that of Butterflies, Moths, and Beetles, 

 as exhibiting a much more striking change 

 than that of such insects as only undergo a 

 semi-metamorphosis. It will be found, 

 /?/ indeed, that these, with a few of the order 

 'I Neuroptera, will always form the chief 

 attraction of an Insect Vivarium, and of these, 

 Butterflies and Moths will be the favourites, from 

 the great beauty of many of the larvae, as well as 

 the often striking forms of the chrysalides ; while 



