Some British Moths Described 
and Gamma at Thistles, etc. Interrogationis can also 
be taken at rest on rocks and boulders on heathery 
hillsides in dull weather, but it is rather difficult to 
recognize on account of the extreme similarity it bears 
to its surroundings. Chrysitis is very common, and 
the green larva can be beaten from Nettles in May and 
June. The mothis out in July. Expanse, 14 inches, 
Plusia festuce: the Gold Spot (Plate IX., Fig. 21), 
—Expanse, slightly under 13 inches. Widely dis- 
tributed ; locally common. It is easily scared, and, if 
you set out to capture a few in a garden, see that for 
the time being you have the whole place to yourself; 
anyone else wandering idly about amongst the flowers 
will be quite sufficient to keep all the Plusie at a dis- 
tance. The larve feed on grass, and hibernate. 
Plusia gamma: the Silver Y (Plate IX., Fig, 20).— 
Expanse, 13 inches. Common everywhere from May 
till September. Larva on Nettles, Dock, and other 
low plants ; in the garden, on Lettuce.. In common 
with the other Plusiide, it spins a slight web in a 
turned-over portion of a leaf, and pupates therein. 
Family HeioTuHipé, 
Anarta myrtilli: the Beautiful Yellow Underwing 
(Plate IX., Fig. 22).—A child of the heathery waste, 
delighting in flying in the bright sunshine, and pausing 
now and again to sip the nectar from the Heather- 
bells. From June to July is the time. The larve 
hibernate, but can be taken commonly in the autumn 
or spring by beating the Heather; they hide near the 
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