34 
a hawk, or rather oscillating, that is to say the male 
insect, over the same spot; and derives its name either 
from its ghost-like appearance, or from its being seen in 
churchyards, thus suspended in the air over the graves. 
At times they keep swarming about trees even up to the 
top, buzzing around them in a somewhat similar manner. 
HEPIALUS SYLVINUS. 
ORANGE SWIFT. 
Plate VIII. Figure 1. 
This insect measures from under an inch and a quarter 
to above one and three quarters in expanse. It is very 
variable in its markings. Male : front wings rich dull 
orange, with indistinct markings of a deeper shade, and 
a pale slanting and irregular streak running from near 
the base to the middle of the lower margin, from which 
another, also irregular, goes up nearly to the tip; the 
upper edge is spotted with brown. Hind wings dusky, 
tinged faintly with orange at the outer edge. Female: 
front wings dull cinnamon colour. Hind wings dusky. 
Localities for this species are Lewisham, Durham, 
Falmouth, the Isle of Wight, Worcester, Manchester, 
Huddersfield, York, Scarborough, Darlington, Birch 
Wood Kent, Blandford, Edinburgh, Stowmarket, Bir¬ 
mingham, Bristol, Lymington, Hertford, and near London, 
&c., &c. 
The situations where it is found are grassy lanes and 
banks. 
The dates of the appearance of the perfect insect are 
in July and August. 
