GUAfTOLITHA. 257 



rufous ; outer edge of patagia rufous at base ; abdomen brownish 

 white irrorated with black, the dorsal crests blackish at tips. 

 Fore wing white irrorated with brown and fuscous, the cell and 

 area beyond it tinged with ochreous, the area beyond end of cell 

 suffused with fuscous ; a sinuous black streak below base of cell ; 

 subbasal line represented by two oblique striae from costa ; ante- 

 medial line indistinctly double, very strongly angled outwards in 

 the interspaces and inwards on the veins ; orbicular represented 

 by traces of an oblique elliptical white annulus, the reniform 

 by a rufous point at lower angle of cell with curved white and. 

 black line below it ; a medial striga from costa ; postmedial 

 line represented by two strigse from costa, then almost obsolete, 

 strongly bent outwards below costa, then oblique, dentate and 

 produced to double black points on the veins ; the subterminal line 

 represented by a series of indistinct dentate red-brown marks ; the 

 terminal area with slight dark streaks on the veins ; a terminal 

 series of slight black lunules ; cilia chequered rufous and white. 

 Hind wing yellowish white thickly irrorated with fuscous ; cilia 

 white at tips ; the underside white slightly irrorated with brown, 

 a small discoidal spot and postmedial series of minute streaks 

 on the veins. 



Ab. 1. Paler ; fore wing without the fuscous suffusion ; hind 

 wing hardly tinged with fuscous except on terminal area. 



Hah. Canada, Manitoba, Alberta, Calgary (Wolley-Dod), 1 5, 

 Vancouver ; U.S.A., 1 2 , New Hampshire, Franconia, Washington, 

 Pullman, California. Exj). 39-42 millim. 



2409. Graptolitha pruinosa. 



Xt/lina 2)ruinosa, Butl. A.M.N.H. (5) i. p. 197 (1878); id. 111. Het. B.M. 

 ii. p. 34, pi. 31. f. 6. 



Head and thorax greenish grey mixed with brown ; palpi tinged 

 with rufous and streaked with black at sides ; frons with black 

 bar ; tegulae with black line near tips ; patagia with black outer 

 edge and some black scales near upper edge ; abdomen grey mixed 

 with brown ; pectus, legs, and ventral surface of abdomen tinged 

 with rufous ; tibije streaked with black. Fore wing grey tinged 

 with greenish brown ; a black streak below base of cell defined by 

 white above ; subbasal line represented by two striae from costa 

 and one from cell ; antemedial line indistinct, double, oblique, 

 minutely dentate ; claviform defined by black at extremity, con- 

 nected by a slight black streak with the postmedial line ; orbicular 

 and reniform well developed, defined by black, the former oblique 

 elliptical, the latter constricted at middle ; traces of a medial line 

 oblique from costa to median nervure, then waved ; jDOstmedial line 

 indistinctly double, bent outwards below costa, then dentate, 

 excurved to vein 4, then incurved ; subterminal line whitish 

 slightly defined by brown on inner side, excurved at vein 7 and 

 middle ; a terminal series of black points. Hind wing whitish. 



VOL. VT. s 



