AMERICAN LKl'lDOl'TKRA. 261 



clear {iniy. peppered with black atoms basallyand along costa; three subquadrate 

 l)hickish costal blotc-hes not sharply defined, basal, central and outwardly in the 

 places corresponding to the cross-lines of L. montanata ; these are not followed by 

 any indications of cross-lines or of rows of spots across the wings; discal spots 

 large, black, distinct, lengthened as in L. montanata ; hind wings even, glistening 

 white, with dark discal spots; beneath light bright gray, the markings of the 

 lure wings faintly showing. 



Alert Irtliind, Alaska. Difiering from T. montanata mostly in the 

 decided ditf'erenee of the ground color, the lack of black dots on the 

 veins of I'orc wings, and the lack of the lines or rows of dots across 

 the fore wings. The lobe on the hind wings of the %> is also some- 

 what different in structure. 



8. Sri:i.lI>At'A\TII.\ u. gen. 

 Type triseriata Pack. 



Palpi moderately long, ascending, heavily scaled ; clypeus scale 

 tufted, rounded, projected forward below ; antennae simple, flattened, 

 finely and evenly pubescent below ; thorax and abdomen untufted ; 

 fore tibia* .short, armed at end with prominent claw ; hind tibiie with 

 one pair of spurs; fore wings two accessory cells, 12 veins, 6 short 

 stemmed with 7 ; hiud wings vein I wanting, its place being taken 

 by a basal lobe beneath, 8 and 4 sej)arate, H and 7 stemmed, 8 start- 

 ing wide from cell, joining it one-third out, then coincident with it 

 nearly to eni\. 



Differs from Eiiccsfla Iliil). in having one pair of .spin's on hind 

 tii)i;e. 



8})ecies. — .S'. triseriata Pack. 

 JS. virgin ata Graef. 



9. CARS I A Hub. 



Verz. 336, 1818. 



Type pnhidata Thun. 



Larissa Curt., Brit. Ent. vii, 324, 1830, iy\Mi poliidata Thun. 

 Celmn Steidi.. Ills. iii. 242, 18.31, type ;Ke/!«/a/rt Thun. 



Palpi moderate, porrect ; front somewhat prominent; antennse 

 filiform, ciliate in both sexes; thorax and abdomen untufted; fore 

 tibiai unarmed; hind tibi.'e with all spurs; fore wings 12 veins, two 

 accesst)ry cells ; hind wings with cell to beyond middle ; in % with 

 a trans{)arent fovea near base along inner margin, bordered with a 

 membraneous ridge forming a pocket, (i and 7 stemmed. 

 Species.— f. paliidata Thun. 



TRANS. AM. KNT. SOC. XXIII. JULY, 1896. 



