each side a very narrow and indistinct one; a dusky 

 green line on the sides, and a yellowish line on each side 

 of the head and the last segment; otherwise, it is of an 

 obscure greenish-brown colour, the line along the back 

 dusky olive, and the one below it on the sides of a 

 similar tint and narrow. 



The date of the appearance of the caterpillar is in 

 August and September. 



It feeds on the rough hawkbit ( 'Apargia hispidaj, and 

 the hawksbeard ( Orepis tar axaci folia}, the black knap- 

 weed ( Centaur ea nigraj, the field scabious ( Knautia 

 arvensisj, the small -flowered autumnal gentian ( Gentiana 

 amarellaj, the field gentian ( Gentiana campestrisj, the 

 wild marjoram (Origanum vulgarej, the self-heal (Pru- 

 nella vulgarisj, the great hedge bedstraw ( Galium 

 tnollugoj. 



The chrysalis is enclosed in a cocoon of earth. It is 

 red towards and at the tail; the thorax and wing-cases 

 golden yellow with a tinge of red. 



EUPITHEC1A PERNOTARIA. 

 Plate XXIX. Figure 16. 



THIS insect measures nearly an inch in expanse. 



Male: fore wings yellowish-grey, crossed by numerous 

 waved lines of a paler colour; the third line whitish; 

 central spot black. 



The caterpillar feeds on the goldon rod (Solidaga 

 virgaurca). 



The perfect insect appears in July. 



