70 



by splitting first the head and then draw- 

 ing it dovv^n over the body by a continual 

 bending and motion. 



The chrysalis has a point below, by 

 which it fastens itself to the inside of the 

 web, so that it cannot easily be shaken off. 

 By the slightest touch it moves the belly 

 strongly, to terrify and keep off the enemy, 

 it has the head hanoincr downwards which 

 it throws about as the heaviest part ; and as 

 a hard skin, is hanging and round, it is 

 shielded from the attacks made by the ich- 

 neumons. It is entirely brownish-black, 

 and retains on the joints of the body, and 

 on the wings, head and face, some yel- 

 lowish-red fascicules of hairs. 



The big-bellied ones are females, 

 they have white wings, undulated with 

 brown and black, so that the extre- 

 mities of them appear black, and to- 

 wards the body become browner and 

 paler. 



The male, fig. 13. is not half so big, 

 and has brown wings, so that one would 

 take it for a dilierent species. The an- 

 tennae or horns, are like feathers, on botli 



