40 PLAS LE 
Auguft, and defcend into the ground late in September or the firft 
_-week in Oétober, and the Fly comes forth in July. 
Caterpillars that enter the earth in the larva form, pafs to the 
chryfalis, and iffue forth in the perfect or Fly ftate, have no occafion 
for a web to protect them ; and therefore few f{pecies prepare one. But 
among thofe which remain expofed in the open air, a very {mall pro- 
portion neglect to weave a web with the utmoft fkill and induftry ; the 
leaft attentive to this apparently neceflary precaution are the Papiliones, 
who, often regardlefs of their fituations, are found [in chryfalis] fuf- 
pended againft walls, the trunks, or branches of trees, and even 
paleings in very public roads. 
PLATE 
