NOLA CENTONALIS. 
Plate VIIL Figure 14. 
This insect measures about three quarters of an inch 
across. Male : front wings greyish or pearl white, with 
a yellowish pink tinge at the base, and two bands of 
the same outward towards the tip; near the base they 
are crossed by two short bars not reaching to either 
edge, the innermost of them running into it; the third 
line reaches nearly across the wing from the front edge, 
widening out below towards the lower edge, and followed 
by another smaller and slenderer one between it and the 
outside edge. Hind wings grey, darker near the base 
and along the upper edge. 
One locality for this species is Bembridge, in the Isle 
of Wight, where a specimen was taken in the year 1858. 
Three others were taken by Dr. W. H. Allchin. 
The dates of the appearance of the perfect insect are 
the end of June and the beginning of July. July 1, 
July 15. 
This species appears to fly in the sunshine. 
NUDAIUA SENEX. 
f 
ROUND-WINGED MUSLIN. 
Plate IX. Figure 1. 
This insect measures from a little over three quarters 
of an inch to nearly an inch in expanse. Male: front 
wings, inclining to transparent, dull yellowish, with a 
black spot beyond the middle near the upper edge, three 
black dots near the base in a slanting direction, and a 
