194 THE CANADIAN ENTOMOLOGIST. 



wings dark fuscous, with ochreous-tinted cilia. Abdomen with basal 

 joints velvety-yellow above ; tip and under side dark fuscous. Legs dirty- 

 yellow, dark mottled exteriorly ; tarsi blackish, with n-arrow indistinct 

 ochreous annulations. Alar expanse, 18-19 mm. 



Habitat.— Oak Station, Alleghany Co , Pa. (F. Marloff.) 



Type.— U. S. N. M., No. 11557. 



A fine large species, typical of the genus, intermediate between 

 tetradymiella and Banksiella. 



Gelechia fluvialella^ n. sp. — Labial palpi dirty-ochreous, speckled 

 with dark brov/n exteriorly ; brush moderate, rounded, hardly divided. 

 Face iridescent-brown. Antennae dark purplish-brown. Head and thorax 

 light brown. Fore wings light brown, with a strong purplish sheen, 

 especially towards apex; exterior edge of the cell and the apical veins 

 roughly indicated by ill-defined, purplish-black longitudinal lines, more or 

 less confluent towards apex. Cilia ochreous, dotted with brown. Hind 

 wings light fuscous. Abdomen dark purplish-fuscous. Legs blackish, with 

 narrow ochreous annulations on tarsal joints. Alar expanse, 18-20 mm. 



Habitat. — Oak Station, Alleghany Co., Pa. (F. Marloff.) 



Type.— U. S. N. M., No. 11558. 



A plain-looking species nearest ochreostrigella and ochreostiffusella^ 

 but differing from the former by the dark brown thorax, from the latter by 

 the unmottled basal half of the fore wings and the less defined striation. 



Borkhajisetiia ascriptella, n. sp. — Labial palpi light ochreous. Face 

 shining straw-coloured. Antennse straw-coloured ; in male with long (3-4) 

 ciliation and slightly serrated towards the tip ; basal joint with strong 

 pecten. Head and thorax straw-coloured. Fore wings shining straw- 

 coloured, sparsely sprinkled with single black scales and with black 

 markings as follows : extreme base of costal edge black ; an ill-defined 

 short black longitudinal streak on the middle of the cell ; a larger round 

 black dot at the end of the cell and a small black spot on the fold. 

 Cilia whitish-yellow. Hind wings light fuscous, cilia ochreous. Abdomen 

 and legs ochreous ; front legs black on anterior side. Alar expanse, 

 1 0.5-1 1.5 mm. 



Habitat. — Plummer's Island, Potomac River, Md. (Busck.) Oak 

 Station, Pa. (F. Marloff.) Pittsburg, Pa. (H. Engel.) 



Type.— U. S. N. M., No. 11559. 



The species has the colour of and a certain general resemblance to 

 Ti7iea pellionella. 



