OF WASHINGTON. Ill 
Arcto psyche japonica n. sp. 
Head black, a tuft of black hair between bases of antennae, elsewhere 
mostly with yellowish hair, basal joint of antennae brownish, beyond 
yellowish, and beyond basal third more brownish again; prothorax 
densely clothed with yellow hair, rest of thorax with but few hairs, except 
anterior lateral tufts; abdomen black; legs yellow, spurs and tarsi more 
brownish. Wings clear yellowish, outer and posterior margin black; a 
black streak from pterostigma extends along radius and subcosta toward > 
but not reaching, base, and an oblique band across wing from pterostigma, 
Corked behind; just before posterior apical angle there is a large yellow- 
spot; hind wings yellow, with outer margin black from the pterostigma 
to tip and along apical margin, and the posterior margin narrowly black, 
an oblique black band, not very heavy, from pterostigma across wing 
to near the middle. Venation very similar to A, ladogensis; an oblique 
costal cross-vein, a cross-vein from the short discal cell to the radius, 
all five apical forks present, no ocelli, spurs 2-4-4, no filament on sides 
of male abdomen, antennae subserrate within, joints 2, 3, 4, of maxillary 
palpi subequal in length, 5 long and slender. 
Expanse 22 mm. 
Hikosan, Buzen, Japan, 28 April; also from Gifu. 
Philopotamus japonicus n. sp. 
Head black, with a>few hairs; palpi brown; antennae dull black; pro- 
thorax with some golden hair, rest of thorax and the abdomen dark brown 
or blackish; legs pale brown; wings brown, clothed with short, appressed 
black hair, and with about thirty or forty spots of golden yellow hair. 
Venation dark brown, hind wings fumose, forks 3 and 4 pedicellate, fork 
3 with longer pedicel; otherwise venation as usual. The male appendages 
are two-jointed, but lack the extra appendage from the basal joint that 
is figured for the European species. 
Expanse 16 mm. 
Three specimens from Hikosan, Buzen, Japan, 28 March- 
The other species in the collection from Japan are as follows : 
Holostomis regina McLachlan Gifu. 
Phryganea japonica McLachlan Gifu. 
Phryganea sordida McLachlan Gifu. 
Glyphotaslius admorsus McLachlan Gifu. 
Nemotaulius bremlinea McLachlan Gifu. 
Limnephilus sp. 9 Gifu. 
Notho psyche ruficolle Ulmer Gifu. 
Rhabdoceras japonica Ulmer Gifu. 
Rhyacophila sp. $ Gifu. 
Glossosoma sp. $ Gifu. 
Macronema radiatum McLachlan Gifu. 
Hydro psyche sp. $ Gifu. 
