North American Coleophorce. 435 



Pit Eiver, California, on Wi/ethia angnstifolia, Nuttal ; 

 the case is elongate, cylindrical, tapering posteriorly, 

 brown, and sometimes slightly bent towards the apex ; 

 the mouth slightly oblique. 



I met with the same species on the wing at my Eouge 

 Eiver camp, in Oregon, as early as May 7th, 1872, from 

 which it would appear that the species may be double- 

 brooded. 



Coleophora discostriata, n. s. (PI. XVIL, figs. 6, 6 a). 



Palpi white, fuscous externally, with the second joint 

 tufted. Antennre with a long white tuft on the basal 

 joint, annulated with pale fuscous beyond their basal 

 fourth. Fore wings white ; the extreme costa fuscous 

 on the basal fourth ; a conspicuous brownish fuscous 

 streak, leaving the base below the costa, becoming 

 gradually wider as far as the end of the cell, terminates 

 in the costal fringes before the apex, sending a line of 

 fuscous scales to the apex itself; from this streak a 

 short slender line of fuscous scales sometimes diverges 

 near the base for a short distance parallel to and above 

 the fold. There are one or two short streaks of fuscous 

 scales between the fold and the dorsal margin. Cilia 

 pale greyish fuscous. Hind wings and cilia greyish fus- 

 cous. Legs white, the two anterior pairs strongly tinged 

 with fuscous externally ; the third pair with only a few 

 fuscous scales ; tarsi not annulated. Abdomen greyish 

 fuscous, anal tuft paler ; under side whitish. Expanse, 

 16 mm. 



One specimen, apparently having just emerged from a 

 pistol-formed case on leaves of a species of oak; two 

 others taken on the wing, in July and August, at and near 

 Mount Shasta, California, 1871. The case with which 

 I have every reason to believe this species to be associ- 

 ated is pistol-formed, with a rounded excrescence on its 

 under side in a position to represent the trigger-guard ; 

 the apex of the case is rather small, the mouth oblique, 

 and the apical portion, or that which may be taken to 

 represent the stock, is rather blackish and decidedly 

 darker than the greyish ochreous barrel end ; and there 

 is a slight flange or keel at the junction of the two 

 portions. 



TRANS. ENT. SOC. 1882. PART III. (SEPT.) 3 L 



