102 INSECTA SAUNDERSIANA. 
is white ; the tawny hue also passes into white, where it widens towards 
the hind border adjoining the band; wing-ribs and veins pitchy, the latter 
black in the darker parts of the wing ; poisers black, Length of the body 
8 lines; of the wings 18 lines. 
Brazil. 
EUARMOSTUS, n. g. 
Alis areolm postice quatuor; 1a margine posteriore 24 angustior 3a 
latior; 4a 24 multé latior; areola 1a inferior aperta, angusta. 
Face clothed with a thick tuft of hairs: legs short and stout; fore- 
shanks without tip-spines: wings short: base of the fork, which includes 
the middle submarginal areolet, equally distant from the tip of the wing 
and from the junction of the cross-vein ; four posterior areolets ; the first 
natrower on the hind border than the second, but broader than the third ; 
fourth much broader than the second ; first inferior areolet open, narrow. 
Evarmosrus Bimacuna, Plate 4, fig. 1. 
Mas. Nigra, fusco tecta, abdominis basi lateribus fulvo fasciculatis, seg- 
mentorum marginibus posticis fulvis, antennis basi pedibusque nigris, 
tarsis basi tibiisque picets, alis limpidis fusco bimaculatis. 
Body black with a brown covering: head thiekly clothed above with 
black hairs and beneath with hoary hairs; face adorned with a thick tuft 
of tawny hairs: eyes bronze, parted above by a broad interval ; fore part 
flat, composed of large facets: sucker black, stout, clothed with black hairs : 
first and second joints of the feelers black, beset with black bristles: chest 
and breast clothed with black hairs: abdomen tapering from the base to 
the tip, narrower and very much longer than the chest, thinly clothed with 
dull, pale tawny hairs, which form a tuft on each side of the base ; hind 
borders of the segments dull, pale tawny: legs black, clothed with black 
hairs, beset with black bristles ; feet towards the base and shanks pitchy : 
wings colourless, adorned with two dark brown spots; the first very large, 
resting on the fore border and approaching very near to the tip, and to the 
adjoining hind border; the second smaller on the hind border at half the 
length of the wing; wing-ribs pitchy; veins black, pitchy towards the 
base ; poisers tawny, with pitchy knobs. Length of the body 5 lines; of 
the wings 8 lines. 
North America. 
