198 INSECTA SAUNDERSIANA. 



Mouth much longer than the chest: first joint of the feelers long, 

 linear; second very short; third as long as the first, tapering from the 

 base to the tip which ends in a very little spine ; two submarginal areolets ; 

 three posterior areolets, or in other words four, but the first is closed before 

 the border and thus forms a discoidal areolet ; three more discoidal areo- 

 lets ; first inferior areolet open to the border. 



Choristus bifrons, Mas, Plate 5, fig. 5. 



Niger, Jlavo-hirtus, capite albo-piloso, tibiis fnlvis, alis fiavo-fuscis apice 

 margineque postico subcinereis. 



Black, thickly clothed with dull pale yellow hairs : head thickly 

 clothed with white hairs ; a few black hairs on the crovvu : sucker much 

 longer than the chest; lancets with tawny tips: first joint of the feelers 

 long and linear ; second very short ; third as long as the first, tapering from 

 the base to the tip which ends in a very little spine : chest thickly clothed 

 with dull pale yellow hairs : abdomen slightly obconical,a little shorter than 

 the chest r legs beset with tawny bristles ; thighs adorned with a hoary 

 covering ; shanks tawny with black lips ; wings yellowish brown from the 

 base to three-fourths of the fore border, pale gray from thence to the tips 

 and along the hind border; wing-ribs pitchy ; veins black, pitchy towards 

 the base ; poisers tawny with yellow tips. Length of the body 2f lines ; of 

 the wings 7 lines. 



New South Wales. 



Genus BOMBYLIUS, Linn. 



Group A. — CD. B. M. 273. 



Cross-veins along the hind border of the wing forming an interrupted 

 line. Discoidal areolet closed. The little cross-vein at three-fifths of the 

 length of the discoidal areolet. 



