20 
The situations where it is found are gardens. 
The perfect insect appears in April and May. 
The caterpillar is purple-grey, with a darker line along 
the hack, and another also darker on each side below 
it; the side line pale grey, with an orange spot, on each 
segment. 
The date of the appearance of the caterpillar is in 
J une. 
It feeds on the barberry. 
The chrysalis is found below the earth. 
feOOTOSIA UNDULAItlA. 
SCOLLOP-SHELL. 
Plate XXXIY. Figure 2. 
Localities for this species are Langwith near York, 
Brighton, Eastham near Birkenhead, Linwood near Mar¬ 
ket Rasen, Bristol, Arundel, Exeter, Halton, Lyndhurst, 
WestLooe, Manchester, Newnham, Worcester, Pembury, 
Plymouth, Northleach, Stowmarket, Tenterden, Preston, 
Worthing, and Oxford. 
The situations where it is found are woods. 
The perfect insect appears in June. 
The caterpillar is blackish-grey, with two narrow dusky 
white lines on the back, and another similar one below 
it, only less distinct; the side line dusky white and broad. 
The date of the appearance of the caterpillar is in 
September and October. 
It feeds on the sallow (Salix caprcea). 
The chrysalis is found under the ground. 
