170 POPULAR ENTOMOLOGY. 



neck and shoulder-blade, not unlike the form of a cross/' 

 The cocoon made by this caterpillar is remarkable for its 

 strength, being composed of particles of wood united by a 

 kind of gum ; to enable the moth to pierce this case, it is 

 said to be furnished with a bag of acid, which dissolves the 

 gummy particles, and renders egress less difficult than 

 would be imagined from the nature of the obstacle ; it feeds 

 on the willow and poplar, and is not uncommon both in 

 England and Scotland. 



LEPIDOPTERA. 



THYATIRA. 



Generic Distinctions. Antenna simple; maxillae as long as the 

 antennae ; palpi considerably apart, terminal joints short and equal, 

 middle one long and thick; superior wings moderately wide and 

 acute at the tip ; body robust ; thorax furnished with a crest. 



THYATIRA BATIS. (Plate XIII.) Peach-blossom Moth. 

 The upper wings of this beautiful insect are brown, with 

 dark transverse lines, each having five rose-coloured spots ; 

 a large one at the base clouded with brown, two near the 

 tip, one on the posterior angle, having a brown spot in the 

 middle, and a small one near the hinder margin ; the inferior 



