132 INSECTA SAUNDERSIANA. 



Erax comjiiles, Fern. 



Ferrugineux, capite fulvo, thoracis disco fusco vittis trihus cinereis ornato, 

 abdomine nigro apice caudato segmentorum lateribus inarginibusque 

 posticis fuscis, antennis pedibusque nigris, tibiis fulvis, alis fuscis. 



Head adorned witli a tawiiy covering, clothed beliind 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 ferritginoiis ; chest thinly clothed with black 

 haiis, 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 brotvn : under side gray ; legs black, 

 clothed with short' black and longer tawny hairs, armed with black spines ; 

 shanks bright taivny, with black tips ; foot-cushions t ivvny : 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. 



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, Amazsenes, Isse (sp. of Lophonotus?), brachyptcrus, 

 inumbratus. 



