22 I Canadian Arctic Expedition, 1913-18 
On the underside the ground colour of the primaries is of a uniform shade 
similar to ochraceous-buff^, the black markings being dull and much reduced. 
There is an almost total absence of the pale apical patch which is present in the 
above closely related species. The median band on the secondaries is very faint 
but the band just beyond the median band is conspicuous and silvery. The two 
central median triangle-shaped spots of the median band as well as the rhomboid 
spot are dull silvery as are also the basal spot, which is indistinct, and the mar- 
ginal row of spots, some of which are reduced in size. Between the marginal row 
of spots and the white silvery band and between the central silvery spots and 
the rhomboid spot the colour is similar to the under surface of the primaries. 
The basal area and the median area below the central silvery spots are dark, 
almost blackish and heavily pubescent. The antennae are almost wholly blackish, 
there being only a few silvery scales laterad. The setse on the palpi are dark 
brown. 
Alar expanse, 39 mm. 
-Type, a male, in the Canadian National collection bearing the label '' 141st 
meridian, north of mount Natazhat, international boundary survey, elevation 
8,600 feet, June 15, 1913 (E. W. Nesham). 
Paratypes, three males and two females from the same locality and bearing 
the same label. 
The underside of the secondaries of one of the male paratypes is mostly 
yellowish-orange in the submarginal area, otherwise all the males are similar in 
colour and markings. These latter, particularly on the upper surface of the 
wings are more diffused in two of the specimens than in the type. The upper 
surface of one of the females is in general darker than in the type and on the 
underside of this example there are present a greater number of silvery scales 
in the submarginal area. 
Two specimens taken during the Canadian Arctic Expedition, namely at 
Bernard harbour. Northwest Territories, July 14, 1916, male and female (F. 
Johansen), although somewhat rubbed are apparently this new species. 
The males differ in expanse of wings from 35 to 39 mm. and the females 
from 37 to 39.5 mm. 
The upper side of the male type is figured on PI. V, fig. 6 and the underside 
of the same specimen shown on PI. Ill, fig. 6. On this latter plate the upperside ' 
of a female from Bernard harbour, is shown at fig. 12. 
I rather hesitate to add a new name to the chariclea-freija group but it 
seems advisable under the circumstances as I cannot associate the mount 
Natazhat specimens with any of the known forms. The dull silvered spots on 
the underside of the secondaries and the general colour of the upper and lower 
sides of primaries and secondaries should readily separate it from anj^ of the 
forms in the group referred to. 
Brenthis freija Thunb. 
Papilio freija Thunb.: Diss. Ent. Suec, II, 34, 1791. 
No specimens brought back by members of the Canadian Arctic Expedition, 
but in the National collection at Ottawa there are examples from the following 
northern localities: Nansen creek. Placer Mining camp, Yukon Territory, 
July 7, 1914, 2 males (D. D. Cairnes); on Whitehorse-Dawson wagon road, 
Yukon Territory, June 2, 1914, 1 male (D. D. Cairnes); near Jo-Jo's Road 
House on Kluane road, Yukon Territory, June 9, 1914, 2 females (D. D. 
Cairnes); Champagne Landing, 50 miles from Whitehorse by Kluane road, 
Yukon Territory, June 8, 1914, 1 female (D. D. Cairnes); Dease lake, northern 
British Columbia, June 5, 1887 (G. M. Dawson and J. McEvoy) ; Cassiar trail, 
10 miles west of Dease lake, British Columbia, June 4, 1887 (G. M. Dawson 
' Ridgway's Color Standards and Nomenclature, 1912. 
