LOU ENTOMOLOGICAL SOCIETY 



Ocellus in the interspace 3-4 subequal with those in 4-6. 

 A whitish patch in end of cell on secondaries 



below in intei space 4-5 disa Thunb. * 



Without this patch youngi Holl. 



Hind wings below with quadrate intravenular pale 



fulvous spots sofia Streck. 



SYNOPSIS OF THE NORTH AMERICAN SPECIES OF 



BRENTHIS. 



BY HARRISON G. DYAR. 



Outer half of hind wings below variegated or mottled similar to 

 the basal part of wing. 



Spots on hind wings below well separated by the veins. 

 Shading on hind wing below brown ; a distinct black dot 



in cell myrina Cram. 



Shading below ferruginous ; dot in cell indistinct. 



Submarginal dots solid ; size larger, .astarte Doubl. 

 Submarginal dots annular ; size 



smaller aphiraphe Hiibn. 



var. triclaris Hiibn. 



Spots below diffused, forming a more or less distinct median 

 band, scarcely divided by the veins. 



This band showing more or less white and yellow. 



Whitish spot in end of cell continued by a streak be 

 yond cell. 

 Whitish scalloped line beyond median band faint, 



narrow. 

 Lighter Submarginal space between veins 3-5 



contracted or obscure. 



Purplish brown below. . . .chariclea Schneid. 

 var. boisduvaliiDuip. 



Ferruginous brown below, var. montinus Scud. 

 Lighter space broader, conspicuous. 



Band below more dentate, partly white, 



var. arctica Zett. 

 Band below less dentate, mostly yellow, 



var. helena Edw. 

 Whitish line distinct, broad. 



This line within the Submarginal dots, nearly 



continuous .freija Thunb. 



This line touching or partly surrounding the sub- 

 marginal dots, maculate polaris Boisd. 



Whitish spot in end of cell confined to cell, 



pales Schiff. 



This band obscured, pale, the whole wing with the 

 marks obscured and smoky alberta Edw. 



* It is difficult to see wherein youngi Holl. differs specifically from disa 

 Thunb. 



