- > ap 
128 INSECTA SAUNDERSIANA. 
or ten pale yellow spines: eyes hronzed ; fore part flat, composed of very 
large facets: sucker black, clothed at the tip with pale tawny hairs: palpi 
black, beset with long black bristles: feelers black ; first and second joints 
beset with short black bristles; second joint not half the length of the 
first ; third spindle-shaped, shorter than the first ; bristle nearly twice the 
length of the third joint: chest dark tawny, beset on each side and behind 
with a few black bristles, adorned with four black stripes, of which the 
inner pair are straight and entire, the outer pair irregular and interrupted ; 
hind part hoary: breast pale tawny, with a hoary tinge: abdomen black, 
more than twice the length of the chest, tapering, ending in a tail, which 
is shining and compressed and about one-fourth of the whole length, 
thinly clothed with hoary hairs, which abound most on each side at the 
base; sides and under side tawny, with a hoary covering : legs tawny, beset 
with black bristles and spines, which are most frequent on the feet ; tips of 
the thighs and of the shanks black; feet dark tawny, black towards the 
tips ; foot-cushions yellow: wings pale brown; wing-ribs and veins black ; 
stump on the vein between the submarginal areolets shorter than the inner 
side of the angle whence it springs; poisers yellow. Length of the body 
10 lines ; of the wings 16 lines. : 
South America. 
Erax Poramon, Mas. 
Ferrugineus, thoracis vittis quatuor abdomineque nigris, hujus apice fulvo, 
antennis pedibusque nigris, tibiis fulvis apice nigris, alis fuscis. 
Body black: head adorned in front with a tawny covering, whitish 
and clothed with white hairs behind and beneath; crown and hind part 
beset with black bristles; face very convex, beset with numerous stout 
black bristles: eyes bronzed; fore part nearly flat, composed of large 
facets: sucker black, clothed at the tip with short tawny hairs; palpi 
black, clothed with long black hairs? feelers black; first and second joints 
beset with black bristles; second not half the length of the first; third 
spindle-shaped, a little shorter than the first; bristle not twice the length 
of the third joint: chest and breast adorned with a ferruginous covering ; 
four black stripes on the chest, which is beset on each side and behind with 
some black bristles; breast with a hoary tinge: abdomen very slightly 
tapering from the base to the tip, much narrower than the chest and about 
twice its length, clothed for half the length from the base, and again to- 
