141 
withapale yellowish-brown indented border enlarged into 
a blot at the outer and lower corners. The antennas are 
slightly pectinated. 
Localities for this species are York, Nunburnholme, 
Linwood near Market Rasen, Black Park, Bromsgrove, 
Brighton, Bristol, Stowmarket, Pembury, Arundel, Wor¬ 
cester, Worthing, Tenterden, Lyndhurst, and the New 
Forest. 
The situations where it is found are woods. 
The perfect insect appears in July. 
The caterpillar is pale brown, with prominences of a 
lighter shade on the fifth, sixth, seventh, eighth,and ninth 
segments. The head dull reddish. 
The date of the appearance of the caterpillar is in May. 
It feeds on the oak. 
The chrysalis is enclosed in a slight web attached to 
leaves, lichens, &c. 
HEMITHEA THYMIARIA. 
COMMON EMERALD. 
Plate XXII. Figure 6. 
This insect measures from a little over an inch to one 
and a quarter across. 
Male : fore wings rather dull green ; the first line is 
whitish and bent; second line also whitish, bent, and 
waved, and lined with a darker shade of green on its 
inside,—the fringes pale dull yellowish and indented or 
nicked with pale dull reddish-brown, forming a line of 
small spots. Hind wings dull green, crossed with awaved 
