CEPHALOSPAKGETA . PROinRIXAX. 225 



Hind wing white, the terminal area sufFased with ochreous narrow- 

 ing to torn us. 



2 . Fore wing with diffused dark scales beyond the ante- and 

 postmedial lines, 



Hab. Porto Eico, tj-pe t d" $ in Mus. Berlin. Exp. cS 22, 

 2 2i millim. 



Genus PROTHRINAX, nov. 



Type, P. Intcomedia. 



Proboscis small, aborted ; palpi porrect, very short, not reaclnng as far as the 

 frontal proiiiiiieiice and moderately fringed with hair below; frons with long 

 bifid plate at middle excised in front and with long triangular plate below it ; 

 eyes large, round ; antennse of male minutely ciliated ; thorax clothed almost 

 entirely with scales, the metathorax with decumbent crest; the patagia slightly 

 turned up at extremity; tibia; moderately fringed with hair ; abdomen without 

 crests, i^ore wing with the apex rounded, the fcermen oliliqueiy curved and 

 mot crenulate ; veins 3 and 5 from near angle of cell ; 6 from upper angle ; 9 

 from 10 anastomosing with 8 to form the areole ; 11 from cell. Hind wing 

 with veins 3, 4 from angle of cell; 5 obsolescent from just below middle of 

 discocellulars ; 6, 7 stalked ; 8 anastomosing with the cell near base only. 



3842. Prothrinax iuteomedia. 



Aleptina kdcomecUa, Smith, Trans. Am. Ent. Soc. xxxiii. p. 136 (1907). 



J . Head and thorax black mixed with brown and grey ; teguloe 

 mostl}' grey ; pectus and legs tinged with brown, the tarsi blackish ; 

 abdomen ochreous suffused with blackish. Fore wing grey-white 

 irrorated with black-brown, a pale ochreous fascia irrorated with 

 rufous from base of costa through subraedian interspaces to sub- 

 terminal line and thence obliquely to termen from below apex to 

 vein 8; antemedial line very indistinct, double, curved, traversing 

 a patch of blackish suffusion towards costa and almost obsolete in 

 submedian interspace ; claviform elongate, faintly defined by rufous ; 



Fig. 50. — Prothrinaa: hitcomedia, ^ , \, 



orbicular small, round, white defined by black and with brownish 

 centre ; reniform grey-white indistinctly defined, its lower extremity 

 angled inwards to orbicular and open towards base, some white 

 suffusion beyond it obliquely to costa near apex and the veins on it 

 with slight dark streaks ; postmedial line obsolete towards costa, 

 slight and very obliquely incurved from vein 4 to inner margin; 

 subterminal line white defined on inner side by red-brown, arising 

 from termen above vein 3, oblique and slightly waved to vein 2, 

 erect to vein 1, then bent inwards to postmedial line; an obli<[ue 

 VOL. VI [I. a 



