Pyralidina of the Hawaiian Islands. 227 
of costa to three-fifths of inner margin, upper half forming a 
strong curve outwards ; a small obscure darker spot in disc beyond 
middle between these, in female more distinct; in one specimen 
(female) a whitish-ochreous suffusion on dorsal half beyond middle, 
preceded and followed by cloudy rather dark fuscous suffusions ; a 
submarginal series of indistinct darker spots; cilia brownish, with 
an obscure darker line. Hind wings blackish-fuscous ; two ill- 
defined ochreous-yellow gradually dilated streaks from base to 
near hind margin, one above, other below middle, more or less 
strongly expanded in disc; cilia ochreous-yellow, tips paler, with 
an indistinct incomplete grey line. 
Four specimens. 
24. Orthomecyna exigua, Butl. 
Mecyna exigua, Butl., Ent. Mo. Mag., xv., 271; Ann. 
Mag. Nat. Hist., 1881, 829 ; Orthomecyna exigua, 
var. cupreipennis, id., Ent. Mo. Mag., xix., 179. 
Sd 2, 14—23 mm. Abdomen greyish-ochreous, yellowish-tinged. 
Fore wings elongate-triangular, costa hardly arched, apex obtuse, 
hind margin rather obliquely rounded; pale greyish-ochreous, 
irrorated with dark grey; an angulated blackish line near base, 
sometimes obsolete; an irregular blackish line from one-fourth of 
costa to about middle of inner margin, more or less indented out- 
wards above middle, sometimes preceded by a pale or whitish line ; 
an angulated black mark in dise beyond middle, angle directed 
towards base; a slender waved blackish line, followed by a pale 
line, from two-thirds of costa to two-thirds of inner margin, upper 
two-thirds moderately curved outwards; a more or less distinct 
cloudy pale subterminal line, followed by a series of darker spots + 
a hind-marginal series of triangular dark grey spots; cilia pale 
greyish-ochreous, with a cloudy dark grey basal line. Hind wings 
dark grey; two more or less distinct very ill-defined ochreous- 
yellowish longitudinal suffusions above and below middle, extending 
from near base to about three-fourths; cilia ochreous-yellowish, 
tips paler, with a cloudy grey basal line. 
Sixteen specimens. 
25. Orthomecyna aphanopis, n. 8. 
3 2, 15—18 mm. Abdomen yellow-ochreous. Fore wings 
elongate-triangular, costa nearly straight, apex obtuse, hind margin 
rather obliquely rounded; whitish-grey, somewhat mixed with 
pale greyish-ochreous and darker grey; lines hardly perceptible ; 
