170 POPULAR ENTOMOLOGY. 



shoulder-blade, not unlike the form of a cross." The co- 

 coon 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. 



LEPIDOPTEKA. NOCTUID^E. 

 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. 



THYATIEA 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 



