49 
The date of the appearance of the caterpillar is in 
August and September. 
It feeds on the aspen and the poplar. 
The chrysalis is found in a very hard cocoon, fixed on 
the bark of the tree on which the caterpillar feeds. 
CKRURA V1NULA. 
PUSS MOTH. 
Plate XXXVI. Figure 10. 
Localities for this extensively distributed species nr# 
York, Nafferton, Sutton-on-Derwent, Stockton Forest, 
Bromsgrove, Brighton, Queenstown, Falmouth, Canter¬ 
bury, Faversham, Ashford, Cambridge, Bristol, Carlisle, 
Exeter, Lynton in Devonshire, Sherwood Forest. 
The situations where it is found are gardens, pool sides, 
and other places where the willow and the poplar grow. 
The perfect insect appears in May and June. 
The caterpillar is dark green, with a prominence on 
the fourth segment, then a brown belt bordered with 
white along the back, widest at the eighth segment, and 
then narrowing gradually to the double tail. 
The date of the appearance of the caterpillar is in 
July and August. 
It feeds on the willow, the sallow, and the poplar of 
various sorts. 
The chrysalis is found enclosed in a very hard cocoon 
attached to the bark of the tree whose leaves hav* 
afforded nourishment to the larva. 
VOL. IT. 
H 
