44 TORTEICID^. 



costa straiglit ; apical margin slightly oblique and concave : some very faint ochreous blotches, 

 one near the base of the dorsal margin, others towards the middle of the wing, and some 

 very faint ochreous streaks along the costa ; above the anal angle are a few black dots : 

 cilia white, irrorated with minute black scales. Hind wings pale greyish white ; cilia white. 

 3 (J , 1 ? . Expanse of wings 22 millims. 



Siskiyou County, California, September 3rd, 1871. 



PsBdisca luridana. (Plate LXX. fig. 3.) 



Antennse slightly annulated; head, palpi, thorax, and fore wings almost ochreous 

 whitish ; the fore wings nearly three times as long as wide, the apical margin very oblique, 

 convex, faintly blotched or partly suffused with very pale fawn-colour, sometimes with a few 

 black scales above the anal angle : an appressed costal fold in the male ; the costa scarcely 

 arched ; apical margin oblique, not concave : cilia sometimes slightly irrorated with fuscous. 

 Hind wings pale greyish straw-colour. 2 (J. Expanse of wings 19 millims. 



North California, September 7th, 1871. 



Psedisca argentialbana. (Plate LXX. fig. 4.) 



Palpi short, thickly clothed ; the apical joint not exposed ; white : head and thorax white ; 

 antennae whitish. Fore wings — with an appressed costal fold in the male ; the costa slightly- 

 arched; apical margin oblique, not indented — silvery white, faintly irrorated with scattered 

 greyish-fuscous scales : some faint oblique greyish-fuscous costal streaks ; and a faint 

 I'eduplicated dash of the same colour from the apical margin below the apex, continued to a 

 point along the upper edge of the cell : the ocellated spot contains on its inner side one 

 and on its outer side two small sublustrous silvery patches : the cilia white, irrorated with 

 greyish fuscous. Hind wings very pale grey, with a faint yellowish tinge along their margin, 

 within the white cilia. Expanse of wings c? 15 millims., ? 13 millims. 



Texas. 



This species differs from Padisca agricolana chiefly in the purer white of the fore wings, 

 in the much smaller size, and in the more shining ocellated spot. 



Psedisca resumptana. (Plate LXX. fig. 5.) 



Penthina resumptana, Walk. Oat. Lep. Het. xxviii. p. 376. 



Head cinereous : antennse greyish fuscous, scarcely pubescent. Fore wings — with a rather 

 long appressed costal fold in the male — greyish white, shaded and mottled with ashy grey, 

 especially towards the apex, with several abbreviated oblique tawny costal streaks ; an ill- 

 defined outwardly angulated tawny-speckled basal patch, more conspicuous towards the dorsal 



