48 TOETEICIDiE. 



margin on roaoliiug tlic upper edge of the cell : the cilia arc thickly Irrorated with olivaceous 

 fuscous : underside pale straw-colour^ shaded and dotted with brownish fuscous. Abdomen 

 and hiiid wings pale straw-colour delicately suffused with a fuscous tinge^ except some pale 

 blotches along the margin ; cilia paler. 1 (^ , 2 ? . Expanse of wings 30-34 millims. 

 Lake County^ California^ June 17t hl9th^ 1871. 



Paedisca suljflavana. (Plate LXXI. fig. 3.) 



Head tufted in front^ Avith palpi and antennae (which are pubescent in the male) pale 

 ochreous fawn-colour ; the palpi thickly clothed, projecting about twice the length of the head 

 beyond it. Fore wings scarcely more than twice as long as wide — 'male with appressed costal 

 fold near the base ; apical margin oblique, dorsal margin slightly convex towards the base — 

 pale ochreous fawn-colour, in the male much irrorated with sublustrous yellowish scales, 

 especially towards the apical margin, with an ill-defined, almost obsolete fascia running 

 from the middle of the costa towards the anal angle, and extending upwards parallel with the 

 apical margin ; above the anal angle are one or two single black scales ; the costa is faintly 

 dotted with brownish ochreous, the cilia slightly touched with fuscous in the male. Hind wings 

 shining straw-colour, with a brownish-fuscous tinge in the male. 2 J* , 1 ? . Expanse of 

 wings 27-31 millims. 



Rouge Eiver, Oregon, end of May, 1872. 



Psedisca maculatana. (Plate LXXI. fig. 4.) 



Palpi projecting more than twice the length of the head beyond it, widely clothed and 

 rounded at the apex ; pale fawn-colour, somewhat tinged with fuscous at the sides in the male : 

 head, thorax, and antennae pale fawn-colour. Fore wings — about twice as long as wide, the 

 costa slightly arched, with appressed costal fold near the base in the male — very pale fawn- 

 colour, streaked or reticulated with wavy lines of a slightly darker shade, with a conspicuous 

 buff-brown spot, elongated obliquely outwards at the middle of the dorsal margin, which it 

 scarcely touches ; some lustrous streaks from the costa before the apex, the outer one or two 

 bending parallel to the apical margin ; an almost obsolete half -fascia sloping from the middle 

 of the costa towards the apical margin, more conspicuous in the female than in the male. 

 Hind wings pale fuscous brown, slightly darker in the female ; cilia paler. 3 J* , 3 $ . 

 Expanse of wings (J 23 millims., $ 21 millims. 



Lake County, California, June 17th-19th, 1871. 



Psedisca irroratana. (Plate LXXI. fig. 5.) 



Head and thorax fawn-colour; palpi and antennae fawn-colour with a slight fuscous 

 tinge, especially beneath ; palpi more than twice as long as the head, thickly clothed. Fore 

 wings — more than twice as long as wide, with the costa evenly arched, apical margin oblique ; 



