( 308 ) 



3. Gathynia biocellata sjiei'. nov. 



Forcwiiig : dull browuish grey, covered with dark atoms, without markings of 

 auy kind except three or four small black s|iots dose before hindmargin below 

 apex ; the space beyond them from ajiex to vein 5 narrowly brown, edged by a pale 

 line before the brown-grey fringe. 



Himliciny : blackish, with a curved inner black line near base and a donl.le 

 enter line ronndly jirominent in middle of wing, internally edged by blackish 

 blotches and externally by a pale line ; between them the discocellular is followed 

 by two snow-white spots : a row of dark lunules along margin from ujiper to liehiw 

 lower tooth, inwardly limited by a fine white line which is toothed to margin along 

 veins 4 and ; fringe dark l)rown ; the base of wing marked witb black streaks on 

 each side of a hyaline oval patch. 



Underside of forewing like ujiper ; of hindwing wiiitish, thickly striated 



with grey. 



Face, palpi, and forelegs dark brown ; vertex, thorax, and basal segment of 

 abdomen pale brownish grey, like forewing : the rest of abdomen blackish, like 

 hindwing. 



Expanse of wings : 18 mm. 



1 S from Santo Domingo, Carabaya, S.E. Peru, OOUO ft., March IVUL', wet 

 season (Ockenden). 



Hindmargin of forewing simple, of hindwing toothed at 4, (i, and 7 ; the costa 

 sinuous, and developing a large shoulder at base ; a hyaline oval spot at base 

 of cell. 



Allied to G. clilacerata Guen. 



4. Psamathia parallelaria spec. nov. 



Forewing : ash-grey, covered with irregular transverse fuscous strigulations ; 

 the costal edge pale, with short black marks ; two brownish fuscous lines ; the first 

 straight from about one-fourth of costa to one-third of inner margin ; the second 

 from three-fifths of costa to two-thirds of inner margin, slightly flexuous ; traces 

 of a dark submarginal spot between veins and 7, as in Ps. ktticawhta Wlk. ; 

 fringe dark beyond a fine dark marginal line ; no distinct cell-spot. 



Hindwing : with outer line only, geminate, and forming a short acute beak 

 towards the tail on vein 4 ; marginal line thick, diffuse, followed by a fine pale line 

 before the dark fringe, swollen into a large horseshoe-shai>ed blotch in upper part 

 of tooth between vein 3 and 4 ; a small spot in lower end of tooth beneath 3, and 

 a semicircular mark on margin below tooth between veins 2 and 3. 



Underside paler, with dull striae, but no markings. 



Face,i)alpi, and forelegs dark brown ; vertex, thorax, and abdomen concoloruus 

 witii wings. 



Expanse of wings : 3.") mm. 



1 ? from Tuis, Costa Rica. 



Uistingnished mainly by the straight, not acutely angled, outer line of forewing. 



In this ? the hindmargin of forewing is bluutly angled at vein 4, and the apex 

 minutely j)roduced. 



