(450) 



to the hindmargiii, the central iiit:i darkest, murkeil with dark olive-green patches 

 of scales in the cell, close to base, and along the snlimedian Ibveal depression ; 

 Iriuge pale olive-ochreons. 



Hindwings : shining white, tinged with rufous along inner margin to aual 

 angle : basal line of fringe dark glossy grey ; a scaleless depression at end of cell 

 and another before apex. 



Underside pale olive ; the whole of the space below the median — including the 

 elongated foveal depression — as far as inner margin, scaleless and glossy; hindwings 

 entirely covered with thick somewhat glistening olive hairs, altogether concealing 

 the nenration. l*al]ii and collar rufous : face and vertex pale ochrcons : thorax and 

 abdomen olive and grey, the patagia paler. 



Ex])anse of wings : 24 mm. 



One i from Costa Rica (Underwood). 



111. Tephroclystia longicorpus sp. nov. 



Foreir/ii(/.s : i)ale silky grey, with dark grey markings ; basal jiatch dark grey, 

 its outer edge obliciuely curved, with a jialer line down its centre : central fascia 

 broad, its inner half tilled up with dark grey, with a prominent jirojection outwards 

 in cell containing the black cell-spot ; its outer half consisting of three parallel dark 

 grey lines, slightly angled at veins 6 and 4, and marked, especially the outermost, 

 by black dashes on veins ; a pale ftiscia of ground-colour, traversed by a threadlike 

 darker line, precedes and follows the central fascia ; submarginal line tine, waved, 

 and pale, with dark grey shades on each side, the inner one luuulate : fringe iron- 

 grey, chequered with darker, and with a fine pale line at base. 



IJimhcinqs : dull grey, with traces of cross lines from the inner margin ; a dark 

 cell-spot. 



Underside pale grey, with the markings equally plain on both wings. I'aliii 

 dark grey, with the tips ])ale : face whitish grey, with two black dots at top; vertex, 

 collar, and thorax pale grey; abdomen cinereous. 



Expanse of wings : 2t) mm. 



Three Si from Bolivia, between 1{. Songo and R. Suapi, March to June 1896 

 (Garlepp). 



The body from head to anal segment as long as costa of forewings. 



11-'. Tephroclystia longifimbria sp. nov. 



rorewinqs : silky fuscous, with the markings indistinct ; a basal jjatch, a 

 median fascia twice as broad on costa as at inner margin, and a wavy-edged sub- 

 nuirginal fascia, all darker, the intervening spaces, as well as the centre of the 

 median fascia which contains the dark cell-spot, being pale ; a pale ochreous spot 

 above anal angle on the outside of the submarginal fascia: fringe glossy fuscous. 



////iduiix/.s : wholly dark smoky fuscous, with traces of a deeper median and 

 submarginal line and dark ccll-siiot; fringe very long, tufted at anal angle, glistening. 



Underside dingy ochreous grey, but glossy, the lines and cell-spots indistinctly 

 darker ; thorax and abdomen fnscons ; head, collar, and anal segments of abdomen 

 j)aler, more ochreous grey. 



Exjianse of wings : 16 mm. 



One (? from Sao Paulo. 



The shape of the wings is like that of T. pijgmuiaU! of Eurojn-. 



