GBAPTOLITHA. 



273 



•angled outwards at median nervure and slightly darkening lower 

 part of rcniform, then approximated to postmedial line, which is 

 ■doable, bent outwards below costa, then the outer line even, the 

 inner lunulate, oblique below vein 4 ; subterminal line represented 

 bv a dark shade at costa, then by a series of dentate dark marks, 

 a" terminal series of fuscous lunules. Hind wing pale fuscous with 

 a yellowish tinge ; cilia white ; the underside whitish with some 

 dark irroration, a large blackish discoidal spot. 



Hab. U.S.A., CaUfornia. Exp. 42-44 millira. This species is 

 unknown to me ; figured from a drawing from type in the U.S. 

 Nat. Mus. 



2432. Graptolitha merceda. (Plate CII. fig. 31.) 



Xylina merceda. Smith, Psyche, xi. p. 58 (190i). 



5 . Head and thorax purplish grey mixed with fuscous hrown ; 

 antennae white at base ; tegulse with dark line near tips ; tarsi 

 slightly banded with fuscous : abdomen bro^\-nish grey slightly 

 tinged with pinkish. Fore wing purplish grey slightly irrorated 

 with fuscous ; a slight black streal: below base of cell ; subbasal 

 line represented by two slight oblique strii^ from costa ; a slight 

 oblique streak across cell ; antemedial line indistinct, angled 

 outwards in the interspaces and inwards on the veins ; claviform 

 slightly defined by blackisli ; orbicular and reniform defined by 

 blackish, the former whitish connected with a mark below cell, the 

 latter angled inwards on median nervure and with blackish mark 

 in its lower part ; an indistinct medial shade oblique from costa to 

 lower angle of cell, where it is angled outwards ; postmedial line 

 indistinct, bent outwards below costa, then dentate, oblique below 

 vein 4 ; subterminal line indistinct, whitish, defined on inner side 

 by small dentate blackish marks, angled outwards at vein 7 and 

 slightly excurved at middle ; a terminal series of slight black 

 points. Hind wing whitish suffused and irrorated with brown ; 

 cilia wliitish ; the underside white irrorated with brown and 

 faintly tinged with pink, a black discoidal lunule and sinuous 

 postmedial line. 



Hah. Caijada, Manitoba {Cartwriglit), 1 2 co-type. Exp. 44 

 millim. 



2433. Graptolitha unimoda. (Plate CII. fig. 32.) 



XvUna unimcda, Lint. Ent. Cont. iv. p. 96 (1878) ; Smith, Cat. Xoct. 

 "N. Am. p. 229, 



Head and thorax violaceous grey mixed with fuscous ; abdomen 

 reddish brown mixed with grey. Fore wing violaceous grey 

 suffused with fuscous ; subbasal line indistinct, waved, from costa 

 to submediau fold ; antemedial line indistinct, double, filled in 

 with grey, irregularly waved ; orbicular whitish defined by fuscous, 

 round, open below and with a curved mark from its lower outer 



VOL. VI. T 



