HYPERTROCTA. — BYTUENA. 
131 
HYPERTROCTA, g. u. 
Male. Antennae minutely ciliated. Palpi recurved, tlie second joint thickly scaled, the 
third joint short and naked. Fore wing with the costa slightly emarginate at naiddle ; the 
outer margin strongly angled at upper radial ; a costal nervure ; the first subcostal given off 
at half the length of cell ; the second and fourth from the third ; the fifth from the end of 
the cell; the upper radial from just below the end ; discocellulars oblique ; lower radial from 
near the lower angle ; second and third medians from the angle; the first median from before 
the end ; subraedian nearly straight. Hind wing with the outer margin strongly angled at 
the radial and excavated near the anal angle ; costal nervure anastomosing shortly with sub- 
costal ; the two subcostals from the upper angle of cell ; the radial from near the lower angle ; 
the second and third medians on a long stalk ; the first median from before the end of cell ; 
submedian and internal nervures. 
Hypertrocta marmorata. (Plate CLXVII. fig. 22.) 
Expanse § inch. 
Male. Fore wing grey, irrorated with brown scales ; traces of five transverse dark lines, 
the best-marked of which is the submarginal one ; an oblique chestnut-and-browu mark fi'om 
the centre of costa to middle of discocellulai's ; a subapical black lunule outwardly bordered 
with white, below which is a white lunule with two white specks below it ; an ochreous 
marginal line ; cilia dark brown. Hind wing similar in colour to the fore wing, but with 
some chestnut on the disk and inner margin ; a black lunulate mark from the median nervure 
to inner margin ; a black spot at end of cell ; traces of postmedial and submarginal lines. 
Underside very similar in colour to the uppefside, with a conspicuous black-angled ante- 
medial band crossing both wings and more marbled with dark markings ; the cell-spot of hind 
wing very prominent. Abdomen with two black specks on the second segment and a black 
line across the terminal one. 
Byturna stipata, Wlk. (Plate CLXVI. fig. 17.) 
J^anaguna ? stipata, Wlh. Gat. xxvii. p. 85. 
Expanse 1 inch. 
Head, thorax, and abdomen fuscous brown, suffused with grey. Fore wing brown, suf- 
fused with grey ; a very indistinct, double, highly angulated antemedial line ; a black dash at 
upper angle of cell and speck at lower angle ; an indistinct submarginal series of black specks 
and white marginal line. Hind wmg fuscous. Underside of fore wing with the apex whitish ; 
the hind wing with cell-spot and postmedial line. 
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