90 THE ENTOMOLOGIST’S RECORD. 
practical purposes, a hand-lens is sufficient if the spurs be well visible 
in the specimen. It is very desirable that specimens should be set 
with this in view. I express the length of the spur more conveniently 
not by its own length, but by the percentage of the total length of the 
tibia that there is beyond the origin of the spur. The five principal 
lengths that occur are much more easily discriminated by eye after a 
little practice than their numerical difference would lead one to expect. 
The chief difficulty is between the crassiorella group, with a length of 
‘66 to '74, and the casta group, ‘77 to ‘81, and here it would always 
be well to mount a specimen for examination. 
Bruandia reticulatella—The male of this species, as I have 
observed it in most collections, is almost identical with a specimen I 
have from Staudinger. It has 22 joints to the antenne, and the 
anterior tibial spur arises at ‘56 of the length of the tibia from its 
further extremity, giving the length of the spur on the assumption 
that the extremity of the spur reaches exactly the end of the tibia. 
The expanse is 18mm. The wing texture and general appearance 
approaches that of Biugis bombycella, more flimsy and translucent 
than in other Fumeas. The costa is more rounded than in other 
Fumeas, that is the central portion, which is usually straighter than 
the basal or apical portion, or even quite straight, is either very short, 
or partakes of a continuous curve from base to apex. The colour is 
pale yellowish-brown, with a network of slightly darker brown (doubt- 
less the darker portion was much more nearly black when the specimen 
was fresh). The darker markings follow the nervures longitudinally, 
and between the nervures they form transverse bands, usually not 
crossing the nervures, but alternating at them. The paler spots are 
fairly circular, or at least of equal transverse and longitudinal 
dimensions. The dark marks in the cell do not cross the median 
nervure, but alternate at it. Krom the cell to the fringe are, in each 
intercellular space, four pale patches, and one may count thirteen dark 
marks along the costa and ten along the inner margin, the two or 
three basal ones in each case being ill-marked. The hindwing is 
marked only by slightly darker nervures. I have bred, however, from 
Cannes, some specimens that agree absolutely with this specimen in 
the formula of the tibial spur, v7z., 57 and -56, in the greater trans- 
parency of the wings and in the roundness of the costa and apex. 
They vary in expanse from 9mm. to 16mm., are very dark in colour, 
and exhibit reticulation that can only be detected with difficulty. 
Although I am not aware that this variety of reticulatella has been 
described as such, I have very little doubt myself that that is its real 
character. The only doubt I have about it is whether it is the form 
described by Dr. Heylaerts as norvegica from the south of France. 
If so, it would be named reticulatella var. norvegica. If not, I should 
propose for it the name var. obscurella (pl. iv., fig. 27, ant. tibia of 
type form, figs. 28-29, ant. tibia of var. obscurella). 
Bruandia comitella——This species much resembles B. reticulatella. 
It has a more solid aspect than that species; the reticulations are 
more confined to the apical portion of the wing. ‘The costa is rather 
straighter, and the usual tint is much darker. It is generally possible 
to distinguish several rows of pale spots parallel with the hind-margin 
and a darker shade occupying the distal margin of the cell. The most 
certain character by which to recognise it is the tibial spur length of 
