ELMOGNATHA. 373 
costa, oblique and dentate below vein 5, bent inwards at 
vein 1 and ending at middle of inner margin, two black-brown spots 
beyond it on costa and two streaks below costa; subterminal line 
white faintly defined on each side by brown, waved, bent outwards 
at vein 7 aud inwards at vein 2, then oblique to tornus, a terminal 
series of black-brown striez. Hind wing pale grey-brown, the cilia 
white ; the underside brownish white. 
Hab. Costa Rica, Juan Vinas (Schaus), 1 3,19. Hup. 48-54 
millim. ‘Type fin U.S. Nat. Mus. 
*6693. Eleognatha nitescens. (Plate CLXXXIV. fig. 7.) 
Aleognatha nitescens, Druce, A. M. N. H. (8) vi. p. 179 (1910). 
Head and thorax dark brown mixed with white; palpi with the 
2nd joint black at sides ; tegulee with black tips; abdomen white 
dorsally tinged with brown, the basal crest blackish. Fore wing 
silvery grey irrorated with red-brown, the basal area white; ante- 
medial line indistinct, brown, waved ; tufts of raised brown scales 
on white spots at middle of cell and on discocellulars ; postmedial 
line brown defined on outer side by whitish except towards inner 
margin, bent outwards and almost obsolete below costa, dentate and 
very oblique below vein 4 to inner margin before middle, some 
short blackish streaks beyond it on costa and two streaks below 
costa; subterminal line whitish defined on outer side by brown, 
dentate, angled inwards at discal fold and bent inwards below 
vein 3, the veins beyond it streaked with black towards apex; a 
terminal series of small black spots. Hind wing semihyaline white, 
the veins and terminal area to vein 3 tinged with brown especially 
in female. 
Hab. 8.E. Peru, 8. Domingo (Ockenden), Oconeque (Ockenden), 
192. vp. 40-44 millim. Type tin Coll. Druce. 
Sect. 1V. Wings of male normal. 
A. Fore wing with the ground-colour silvery white ......... argyritis. 
B. Fore wing suffused with brown. 
a, Hind wing whitish tinged with brown. 
a’, Fore wing with patch of metallic green at base of 
HIMMCL MMAR, cede aachooasersccecer ante soeneiseisesiel ae skein purpurascens, 
b', Fore wing without metallic green patch at base of 
PES CRAIEEATONIG sa5 soaceen ana see ei eano ape tide deacleoasidcealneo melanosticta, 
b. Hind wing deep chocolate-brown ...............seeeeeeeeees cacaonis. 
6694. Eleoznatha argyritis. (Plate CLXXXIV. fig. 8.) 
Eleognatha argyritis, Hmpsn. A. M. N. H. (7) xvi. p. 577 (1905). 
Q. Head and thorax silvery white; palpi with the 2nd joint 
dark brown at sides; tips of tegule and patagia dark brown; fore 
tibie and tarsi banded with fuscous; abdomen white dorsally 
