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 1 I recorded Brenthis yoiun/i lloll. 

 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 reas< mi 

 I forwarded the Klutlan glacier specimen to Dr. W. J. Holland who reported 

 as follows: — 



" I found time this morning, (December20, 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. IY, fig. 12. 



Genus Phyciodes Dbldy. 



Phyciodes campestris Behr. 



Mclitaa campestris Behr.: Proc. Cal. Acad. Nat. Sci., Ill, 80, 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. 



