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SELENIA ILLUSTRARIA. 
BEAUTIFUL THORN. 
Plate XVIII. Figure 5. 
This insect measures from a little over an inch and 
a quarter to about one and three quarters in expanse. 
Male : fore wings pale grey faintly tinged with red and 
shaded with brown, the first line dark brown and bent, 
the second line also dark brown and waved. Hind wings 
pale grey. 
Localities for this species are Darenth Wood, Brighton, 
West Wickham, Hal ton, Croydon, Black Park, Bristol, 
Box Hill, Lymington, Epping, Carlisle, Worcester, 
Exeter, Plymouth. 
The perfect insect appears in May, and again in August. 
The caterpillar is a mixture of greyish-brown and dark 
reddish-brown, in stripes and spots, with prominences on 
the fifth, sixth, eighth, and ninth segments, the two hind¬ 
most of them being larger than the others. 
The date of the appearance of the caterpillar is in 
June and September. 
It feeds on the birch, the beech, the ash, and the oak. 
ODONTOPTERA BIDENTARIA. 
SCALLOPED HAZEL. 
Plate XVIII. Figure 6. 
This insect measures from about an inch and a half 
to nearly one and three quarters across. 
Male : fore wings rather pale yellowish-brown, speckled 
with darker; first line dark olive-brown, waved, and 
