14 THE ENTOMOLOGIST. 
were dark greenish brown, the sides yellowish green, and the 
head dark wainscot-brown. ‘They fed up well on bilberry ; 
and on the 38rd of June, being full grown, their description 
was taken as follows:—Length about an inch and a quarter, 
and of average bulk in proportion. ‘The head has the lobes 
rounded, but is rather flat in front, and is slightly broader 
than the 2nd segment. Body tolerably, but rather unevenly, 
cylindrical, tapering a little towards the head; there is a 
slight lateral rrdge, which on the 38rd segment takes the form 
of a distinct swelling. The skin has a tough appearance and 
is rather rongh; there are a few exceedingly minute hairs 
upon it; the segments slightly overlap each other, rendering 
the divisions distinct. The ground colour varies in different 
specimeus from a median shade of brown to almost black, the 
great majority, however, being of the paler type. In these 
the head is of the same colour, with two median pale lines, 
and a reddish brown mark on the side of each lobe. On the 
dorsal ‘surface is a series of large, pale, almost diamond- 
shaped whitish marks, each of these marks being more or less 
mottled with brown spots and streaks; those on the posterior 
segments are the largest and most conspicuous; those on the 
others indeed vary very much both in size and distinctness, 
in some being confused and not so noticeable. The pale 
whitish subdorsal lines are distinct only on the 2nd, 3rd and 
4th segments, being a continuation of the two pale lines on 
the head; the space between these pale lines is filled up by 
a short black stripe, and on the 3rd segment (the swollen 
one) is a transverse black collar. Along the spiracular region, 
on the lateral ridge, are a few dull reddish brown marks. 
The ventral surface and claspers are of the same shade as the 
ground of the dorsal surface, but there is a distinct, narrow, 
dark brown central line, rather broadly bordered with pale 
grayish white. Legs brown. The cocoon is very slight, and 
is formed by drawing together with silken threads a few old 
leaves. The pupa is about five-eighths of an inch in length ; 
the eye-, leg- and wing-cases prominent ; the anal tip pointed. 
Colour pinkish brown, the wing-cases streaked with dark | 
brown; dorsal line broad, dark brown; behind the head it 
divides into a V-like mark; there is also a dark brown 
ventral stripe from the base of the wing-cases to the anal tip. 
The first imago emerged on the 2lst of June.—Geo. 1. 
Porritt; Huddersfield, November 2, 1878. 
