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, Symington, 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. 



