APPENDIX.
309
Inhabits North-west Territory.
Antennas fuscous; vertex and neck hairy; thorax on each side before the wings, and two dorsal series, hairy; superior wings nearly hyaline; beyond the middle alarge fuscous circle from which a dilated line proceeds to the tip, another to the inferior angle, a third to the carpal spot, and a fourth towards the base, interrupted in its middle; dorsal margin, particularly towards the base, fuscous; surface with scattered hairs, those of the nervures more distinct and blackish; tibia and tarsi with black setse.
Length to tip of wings seven-tenths of an inch.
3, P. sericea. Blackish, sericeous; wings varied with fuscous and sericeous.
Inhabits North-west Territory.
Head with a cinereous gloss, and a few long hairs; antennas brown, incisures margined with yellowish; basal joint colour of the head; thorax with a cinereous gloss in • a particular light; superior wings varied with pruinose and fuscous; a transverse, quadrate, blackish spot on the middle of the inner margin ; hairs numerous, minute, those of the nervures larger and black ; inferior wings immaculate ; posterior pairs of feet pale ochreous, sericeous, with black setse.        ¦
Length to tip of wings more than two-fifths of an inch.
MANTISPA, Illig. Latr.
M. brunnea. Light brown; antennas fuscous, light brown at the extremity; wings with a very broad, brown margin.
Inhabits United States.
"S Antennas short; posterior and inferior orbits yellow; thorax, first segment obtusely wrinkled, or undulated, anterior margin black, submargin yellow; base black, with a
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