132 INSECTA SAUNDERSTANA. 
Erax commites, Fem. 
Ferrugineus, capite fulvo, thoracis disco fusco vitlis tribus cinereis ornato, 
abdomine nigro apice caudato segmentorum lateribus marginibusque 
posticis fuscis, antennis pedibusque nigris, tibiis fulvis, alis fuscis. 
Head adorned with a tawny covering, clothed behind and beneath 
with pale yellow hairs, beset behind the eyes with black bristles; a few 
black bristles on each side of the crown, and two stout, long black bristles 
on the tubercle of the eyelets; face very convex along most part of the 
length, thinly clothed with yellow hairs, beset with numerous stout black 
bristles: eyes bronzed; fore part nearly flat, its facets larger than those 
elsewhere: mouth black, clothed with long yellow hairs, tawny at the tip ; 
palpi black, thickly beset with black hairs and bristles: feelers black ; first 
and second joints thickly beset with black bristles; second about half the 
length of the first; third red at the base, tapering from near the base to 
the tip, longer than the second joint, but not one-third of the length of the 
bristle: chest and breast pale ferruginous ; chest thinly clothed with black 
hairs, beset on each side and behind with black bristles ; its disk brown, 
adorned with three gray stripes: abdomen black, tapering from the base, 
more than twice the length of the chest, shining and compressed for more 
than one-third of the length from the tip; sides and hind borders of the 
segments from the first to the fourth brown: under side gray ; legs black, 
clothed with short black and longer tawny hairs, armed with black spines ; 
shanks bright tawny, with black tips ; foot-cushions tawny : wings brown, 
paler towards the base; wing-ribs ferruginous: veins black, ferruginous 
at the base; stump on the submarginal areolets as long as the inner side 
of the angle whence it springs. Length of the body 12 lines; of the 
wings 20 lines. i 
South America. 
Genus ASILUS, Linn. 
Division I. 
Distance of the base of the second submarginal areolet from the tip of 
the wing hardly half that from the base of the first submarginal areolet. 
Ex.—A. Tucca, Amazenes, Isse (sp. of Lophonotus?), brachypterus, 
inumbratus. 
