10 
TOETRICID^. 
PTYCHOLOMA, Stph. 
Ptycholoma melaleucanum. (Plate LXII. fig. 8.) 
Lophoderus melaleucanus, Walk. Cat. Lep. Het. xxviii. p. 335. 
Conchjlis invexana, Wall-. Cat. Lep. Het. xxviii. p. 359. 
Ptycholoma? semifuscana, Clem. Froc. Ent. Soc. Phil. iii. p. 519; Grote <Sf Bob. Ins. Tracts N. A. 
i. p. 18. 
Tortrix mclaleucana, lioh. Trans. Am. Ent. Soc. ii. pi. iv. fig. 29, p. 271. 
Tortrix (Ptycholoma) melaleucaua, Zell. Verh. z.-h. Ges. Wien, xxv. p. 223. 
Palpi projecting less than the length of the head beyond it; the second joint clothed, 
obtusely thickened ; apical joint short, exposed : antennae of the male slightly pubescent. 
Fore wings — with the costa arched ; an appressed costal fold at the base in the male, a tuft of 
long yellowish hairs projecting from the base of the costal fold ; apical margin obliquely 
convex— pale shining whitish straw-colour, with lustrous metallic streaks and spots, white 
towards the costal and apical margins, steel-blue on the darker portions of the wing towards 
the dorsal margin ; a wide umber-brown dorsal patch extending from before the anal angle 
to the middle of the dorsal margin, and thence, with a slight interruption, less distinctly to 
the base of the wing ; the base of the costal fold in the male is also shaded with umber- 
brown ; and a spot of the same colour lies beyond the middle of the costa in both sexes : 
these umber markings are all surrounded by a diffused margin of bright yellow, which 
extends to the costa at a point a little before the middle. Hind wings greyish fuscous, with 
whitish cilia. Expanse of wings cJ 18 millims., ? 21 millims. 
North America. From Mr. Carter's collection. Virginia, Pennsylvania, and Maine 
{teste Robinson), Ohio {teste Zeller). 
HETEROGNOMON, Led. 
Heterognomon conflictanus. (Plate LXII. fig. 9.) 
Tortrix conflictana, Walk. Cat. Lep. Het. xxviii. p. 323. 
Palpi stone-grey, projecting about the length of the head beyond it; apical joint exposed, 
short : antennae stone-grey, slightly pubescent in the male. Fore wings more than twice as 
long as wide — with the costa abruptly arched near the base, without a costal fold in the male ; 
the apical margin convex, rather oblique — dark purplish grey, with some slender purplish- 
fuscous transverse streaks, especially on the apical portion of the wing ; an indistinct purplish- 
fuscous oblique central fascia, much widened at and below the middle, protruding on the 
middle of its outer edge, where it is indistinctly connected with a costal spot of the same 
colour beyond the middle; an obliquely outer-margined basal patch is also indistinctly 
indicated. Hind wings brownish fuscous, with paler cilia. 2 6,7 2. Expanse of wings 
cJ 26 millims., $ 30 millims. 
St. Martin's Falls, Albany River, Hudson's Bay. Presented by Dr. Barnston. 
