APPENDIX. 
437 
DESCRIPTION 
OP SOME *, 
NEW AUSTRALIAN LEPIDOPTEROU8 INSECTS, 
BY EDWARD DOUBLEDAY, ESQ., F.L.S., &c. 
~' f ~f 
Thyridopteryx nigrescens, pi. 5,f. 1. 
Head densely clothed with long whitish hairs; thorax 
and abdomen with black hairs; wings hyaline, the nervures 
and nervules brown, with a few black scales: base of the 
anterior and abdominal fold of the posterior more or less 
covered with black hairs ; antennae and legs fuscous 
brown. 
Exp. 10 — 12 lines. 
The larva of this species forms a dwelling for itself, similar 
in form and structure to that of its American congener, the 
Ephemerceformis, Steph. 
CALLIMORPHA SELENiEA, pi. 5./. 2. 
Wings of a brilliant silvery white ; the anterior traversed 
by a fulvous band commencing at the base on the costa, 
which it follows for about one-third of its length, then 
crossing the wings directly to the anal angle, where it unites 
with a vitta of the same colour, extending from the angle 
nearly to the base along the inner margin ; this vitta is 
bordered interiorly with thickly placed black dots ; the 
transverse portion of the fulvous band is bordered on both 
sides with black, and has a sinus about the middle ; cilia 
fulvous ; posterior wing with a black spot near the outer 
angle : below, the wings are white, except the cilia of the 
anterior, and a large blotch, red anteriorly, black posteriorly, 
