( 481 ) 



retracted to costa above, the third bluntly angled, waved below, and marked with 

 blackish dots on veins ; submarginal line sinuons, obscure, marked by a black blotch 

 between veins 3 and 4, and by two superimposed black blotches on cither side of vein 7 ; 

 marginal line fine, blackish, interrnpted ; fringe ochreous ; cell-spot linear, touching 

 middle line. 



Hindwings : with black cell-dot, ochreous antemedian and postmedian lines, the 

 latter marked by black dashes on veins, and a submarginal shade. 



Underside paler, with the lines and markings fuscous ; the submarginal line 

 fine in both wings; costal area of forewings slightlj' yellow-tinged. Head, shoulders, 

 and forelegs fuscous ; thorax and abdomen pale, like wings ; antennae mottled, 

 ochreous and grey. 



Expanse of wings : 26 — 28 mm. 



Two S S from Cucuta, Venezuela. 



In the smaller specimen the two subcostal black spots are obsolete, and the 

 middle line approximated to the inner. Hindmargin of forewings entire, of hind- 

 wings with distinct blunt angulation. 



184. Semiothisa nitidata sp. uov. 



Forewinys : glossy, pale ochreous, with rust-coloured speckling ; the lines rust- 

 coloured, brown on costa, which is narrowly pale, and marked also with brown dots ; 

 first line at one-fifth, bent in cell, then oblique ; second line obliijne, straight, just 

 before the middle, the brownish discal mark touching it above ; third line slightly 

 waved and luuulate, marked with two largish brown spots on veins 3 and 4 : a sul)- 

 marginal line parallel to this last, the space beyond the third lilac-tinged ; hind- 

 margin with interrupted brown line ; fringe ochreous, with yellowish basal line. 



Tlindivings : the same, without first line. 



Underside paler, the lines brown ; a diffuse externally dentate-edged l.ruwn 

 submarginal fascia. Head, thorax, and abdomen like wings ; the face and ]iali>i 

 darker. 



Expanse of wings : 24 mm. 



One (? from the Amazons, from the Felder Collection (Bates). 



Forewings with hindmargin scarcely indented below apex ; hindwings with 

 hindmargin bluntly dentate ; antennae of <S subdentate, with fascicles of cilia : fovea 

 in forewings of S very inconspicuous. 



185. Semiothisa occultata sp. no v. 



Forewings : pale ochreons, irrorated with fuscous, sometimes, especially in the 

 ? , so densely as to hide the markings ; the lines grey ; first curved, at one-fifth ; 

 second in middle, sinuous, the linear grey cell-mark touching it above ; the third at 

 two-thirds, lunulate and dentate, marked with dots at the ends of the teeth ; the 

 fourth, or submarginal, grey, fine, and nearly straight to anal angle ; all the lines 

 brown-marked on costa ; the excision finely marked with brown, like the basal line 

 of fringes, which are i)ale. 



Hindwings : like forewings, but the outer line somewhat bent. 



Underside somewhat yellower, the lines and markings brown. Head and 

 shoulders brownish ; thorax pale greyish ; abdomen ochreous, with two rows of 

 blackish spots. 



Expanse of wings : 6, 32 mm. ; ? , 34 mm. 



