PLEEOMA. 



297 



wedge-shaped blaclv marlis, in submedian fold forming a white 

 streak to postmedial lino with blackish streaks above and below it. 

 Hind wing uniform fuscous brown ; the underside grey thickly 

 irrorated with brown, and with slight discoidal lunulc and traces of 

 sinuous postmedial line. 



Hah. U.S.xi., Colorado, Glen wood Springs (Barnes), 2 J . Exj). 

 34 millim. 



2464, Pleroma cinerea. (Plate CIII. fig. 20.) 



Pleroma obliquata, Smith, Trans. Aid. Eut. See. xviii. p. 114 (1891), part. 

 Fleroma cincrca. Smith, Psyche, xi. p. 56 (1904). 



d" . Head and thorax bluish white mixed with some brown; 

 palpi fuscous at sides ; frons with fuscous bar ; vertex of head with 

 fuscous spot ; tcgulte with black line near base and brown tips ; 

 abdomen whitish irrorated with fuscous. Fore wing bluish white 

 irrorated with brown, the veins witli fine black streaks ; ante- 

 medial line acutely angled outwards on median nervure and inwards 

 in submedian fold, then almost obsolete ; claviform and orbicular 

 obsolete ; reniform minute and very indistinctly defined by brown, 

 with an oblique brown striga from middle of costa to its upper 

 edge ; postmedial line bent outwards below costa and angled at 

 vein 6, then inwardly oblique, almost straight to above vein 1, then 

 obsolete ; an oblique brown shade from apex to vein 3, with series 

 of slight black streaks on it, those above and below vein 5 extending 

 to inner side of postmedial line ; a series of very slight black 

 streaks from below vein 6 close to termen to above vein 2, where 

 the streak is longer and oblique ; a black streak defined below by 

 white, below which is a slight black streak, in submedian fold 

 extending to inner side of postmedial line. Hind wing white 

 tinged with brown, especially on the veins and terminal area ; 

 cilia white with a brown line at base ; the underside white 

 irrorated with brown, a small discoidal spot and postmedial series 

 of slight streaks on the veins. 



Hab. U.S.A., Oregon, 1 S , California, Sierra Nevada. Exj). 

 38 millim. 



2465. Pleroma obliquata. 



Pleroma obliquata, Smith, Trans. Am, Eat. Soc. xviii. p. 114 (1891); id. 

 Cat. Noct. N. Am. p. 235, 



Head and thorax bluish white mixed with black ; frons with 





.<^ 



Fig. 89.—-Plero7na ohliquata, ^ . \. 



black bar; tegulae with black line near base, medial band and 

 blackish tips ; tarsi with white rings ; abdomen black-brown mixed 



