NOCTUA UNDULARIS. Alis subdentatis nigricantibus, strigis transversis
undulatis circiter 8. (Expans. Alar. 2 unc.)
SYN. Phalæna (Noctua) undularis, _Drury, App. vol._ 2.
HABITAT: New York.
_Upper Side._ The antennæ are brown and thread-like. The head, body,
abdomen, and wings are of a very dark brown, bordering on black, and
appear somewhat glossy. All the wings are a little dentated, and on the
anterior ones, from the base to the extremity, is a series of black
indented lines or bars, whereof the last or outer one is strong and
conspicuous, crossing the wing from the anterior to the posterior edges,
about a quarter of an inch from the external margin. The posterior wings
are marked exactly like the superior.
_Under Side._ Is of a lighter colour, with the same kind of markings, but
fainter.