THE ENTOMOLOGIST’S WEEKLY INTELLIGENCER. 
119 
O. Eupithecia Pumilata. After two 
or three unsuccessful attempts to rear 
this species on Convolvulus sepium and 
arvensis, I luckily tried a brood with Cle- 
matis flowers, on which they throve won- 
derfully; they must, however, eat other 
things, as the moth appears throughout 
nearly half the year; one was brought 
me from the lamps on the 22ud of 
November, evidently just fresh from the 
pupa. The larva when first hatched is 
bright orange, with a dark head, and the 
very smallest creature in the shape of a 
Maskel — not belonging to a Micro — that 
I am acquainted with. 
O. Melanthia Ocellata. This larva 
is remarkable for having the dorsal 
markings repeated on the belly, though 
with this difference — that the six Vs on 
the back are formed with whitish lines, 
and have the angle pointing towards the 
tail, while the ventral Vs are red and 
point towards the head. 
O. Melanippe Procellata. This larva 
is the largest of the genus, and very 
difficult indeed to describe. In figure it 
is long, and tapers towards the head ; 
ground-colour pale yellowish brown, paler 
in the last four segments ; dorsal line 
black, interrupted at the segmental divi- 
sions from the fourth to the tenth with a 
reddish dash followed by a black dot, and 
terminating at the tail in a dark spot; 
subdorsal lines dingy brown and rather 
diffused, almost touching the dorsal line 
on the middle segments, but receding 
again at the segmental divisions, and 
thus leaving a pale space around the 
black dots, they become lighter on the 
posterior segments ; there are two or three 
brownish wavy lateral lines, becoming 
more clouded from the sixth to the uiuth 
segment, where they quite run into one 
another, but after that become at once 
paler and thinner; spiracles black in a 
white ring ; there is a dark dash above 
each leg. Some larvae are much darker 
than others, and have all the lines quite 
black and much clouded, so as to allow 
very little of the ground-colour to appear. 
The brood I had were hatched on the 
22nd of August, full grown in a month, 
and fed on young shoots of the garden 
Clematis. 
Q. 
(To be continued.) 
SPECIES AND VARIETIES. 
To the Editor of the ' Intelligencer.' 
Sir, — In reference to the tendency of 
Haworth to multiply species, to which 
you alluded in your leading article of 
last week, I was lately struck with a 
passage in Mr. Darwin’s recent work, 
which would imply that the more re- 
stricted an area an entomologist studies, 
the greater will be his chance of mis- 
taking varieties for species : thinking the 
passage in question might be interesting 
to some of your readers, I annex it. 
“ When a young naturalist commences 
the study of a group of organisms quite 
unknown to him, he is at first much per- 
plexed to determine what differences to 
consider as specific, and what as varieties; 
for he knows nothing of the amount and 
kind of variation to which the group is 
subject; and this shows, at least, how 
very generally there is some variation. 
But if he confine his attention to one 
class within one country, he will soon 
make up his mind how to rank most of 
the doubtful forms. His general ten- 
dency will be to make many species, 
for he will become impressed with the 
amount of difference in the forms which 
he is continually studying ; and he has 
little general knowledge of analogical 
variation in other groups and in other 
countries, by which to correct his first 
