112 THE BUTTERFLY VIVARIUM. 



selves bent, and then suddenly curving in the op- 

 posite direction, are enabled to leap a distance of 

 two or three inches and even more. It unfor- 

 tunately happened that they had all been victims to 

 a small kind of Ichneumon, so that he never knew 

 precisely to what class of insects to assign them. 



In Colour, chrysalides in general do not offer 

 either such brilliancy or variety as caterpillars. 

 The shell-less nymphs, or imperfect pupae, arc 

 generally of different shades of dusky white; 

 while the perfect chrysalides of the smooth coni- 

 cal kind are most commonly dark brown or 

 black. The angular chrysalides of Butterflies 

 are, however, not only prettily spotted with minute 

 specks, but sometimes often variegated with small 

 metallic patches of light orange colour that have 

 the lustre of gold. The boat-shaped chrysalis 

 of Euchloe Carclamines is bright green, as is that 

 of the Purple Emperor, while some of the angular 

 chrysalides of the genus Vanessa are almost en- 

 tirely of a bright metallic golden hue, from which 

 the general terms Chrysalis and Aurelia are de- 

 rived, from the Greek words krysos (icpvaos), gold, or 

 krysallis («pn?aX\(?), golden coloured, and from the 

 Latin aurum, gold, or aurea, golden. The early 

 collectors, who then, as now, generally began their 



