GEAPTOLITHA. 273 



angled outwards at median nervure and slightly darkening lower 

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

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

 inner lunulate, oblique below vein 4 ; subterminal line represented 

 l>y a darlv 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. 



Hah. U.S.A.., California. Exp. 42-4-i millim. This species is 

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

 ISTat. Mus. 



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



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



$ . Head and thorax purplish grey mixed with fuscous brown ; 

 ^antennae white at base ; tegulas with dark line near tips ; tarsi 

 slightly banded with fuscous ; abdomen brownish grey slightly 

 tinged with pinkish. Fore wing purplish grey slightly irrorated 

 ^\"ith fuscous ; a slight black streak below base of cell ; subbasal 

 line represented by two slight oblique strise 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 blackish ; 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 oblicj^ue 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 suftused and irrorated with brown ; 

 cilia whitish; the underside white irrorated with brown and 

 faintly tinged with pink, a black discoidal lunule and sinuous 

 postmedial line. 



Hob. Canada, Manitoba {GaHwr%cjlit\ 1 $ co-type. Exp. 44 

 millim. 



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



Xylina unimoda. Lint. Ent. Cont. iv. p. 96 (1878) ; Smith, Cat. iN'oct. 

 N. Am. p. 229. 



Head and thorax violaceous grey mixed with fuscous ; abdomen 

 reddish brown mixed with grey. Fore wing violaceous grey 

 suff'used with fuscous ; subbasal line indistinct, waved, from costa 

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

 with gre}^, irregularly waved ; orbicular whitish defined by fuscous, 

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



VOL. VI. T 



