Lepidoptera 25 i 
contrasting noticeably with the reddish-brown median area and in others being 
much reduced in number. The colour of the median area also varies in the 
specimens from a rather pale reddish-brown to a decidedly dark reddish-brown. 
The median band is faint in some of the examples. 
The underside of the secondaries of the females vary similarly as in the 
males. 
A female from Bernard harbour, Northwest Territories, is shown on PI. V, 
fig. 7, together with a male from near Konganevik, Alaska, fig. 8. 
In the Entomological Record for 1917^ I recorded Brenthis youngi Holl. 
from Klutlan glacier, 9,000 feet, June, 1913 (H. F. J. Lambart). On further 
study, however, this specimen is undoubtedly improba Butler. I rather sus- 
pected that youngi might prove to be the same as improba and for this reason 
I forwarded the Klutlan glacier specimen to Dr. W. J. Holland who reported 
as follows: — 
" I found time this morning, (December 20, 1918), to compare your specimen 
with my type of Brenthis youngi. It is not the same. It is smaller in size, 
darker both on the upper and lower side of the wings — a far more melanic 
insect — and consequently different, in not having the dark, sharply defined 
mesial band, characteristic of the secondaries of B. youngi. I would call it 
B. improba Butler. It has a fascies quite different from that of B. youngi, 
which is a much lighter insect. Of course, there is a general similarity in the 
markings of this genus and the species vary principally in the intensity and 
accentuation of the markings on the different spots. In B. youngi the spots 
are not silvered, or only slightly. I should say very decidedly that this specimen 
is not a representative of my species." 
Brenthis distincta, n. sp. 
Close to B. alberta from which it differs in being larger, in the ground colour 
of the upperside of the wings being of a clear yellowish-red colour, much as in 
B. astarte Dbldy. and Hew., in the black marginal band being wider, and on 
the underside in lacking the dull pubescent-like appearance of B. alberta, the 
median band being decidedly more conspicuous, as are also the other markings 
on the underside of the secondaries. Discal row of round spots reddish. 
Alar expanse, 48 mm. 
Type, a female, from Harrington creek, Yukon Territory, lat. 65° 05' 
July 30, 1912 (D. D. Cairnes). Two paratypes, one male and one female, the 
former from Eduni mountain, 6,000 feet. Gravel river. Northwest Territories, 
July 8, 1908, (J. Keele) and the latter from Tindir creek, Yukon Territory, 
lat. 65° 20' international boundary, July 25, 1912 (D. D. Cairnes). The 
male paratype (44 mm.) is in general similar to the holotype, but the underside 
of the female paratype (49 mm.) is redder in colour, the reddish discal row of 
spots larger and brighter, and the pale areas whiter. This new species is appar- 
ently, also, close to amphilochus from the Amur. • All the types are in the Canadian 
National collection. 
The underside of the type is figured on PI. IV, fig. 12. 
Genus Phyciodes Dbldy. 
Phyciodes campestris Behr. 
Melitcea campestris Behr.: Proc. Cal. Acad. Nat. Sci., Ill, 86, 1863. 
Five specimens from northern localities are in the Canadian National 
collection. They were collected as follows: Ladue river, Yukon Territory, 
July 4, 1905, 1 male, 1 female (J. Keele); Harrington creek, Yukon Territory, 
lat. 65° 05', long. 141°, August 3, 1912, 1 female (D. D. Cairnes); Upper Liard 
river, June 26, 1887, lat. 60°, 1 male (G. M. Dawson); Dawson, Yukon Territory, 
1908, 1 male (collector unknown). 
1 Rep. Ent. Soc. Ont., 1917. 
