292 



DIPTEEA OF AUSTRALIA, 



INDICES OF ANTENNAL, ALAR, AND TARSAL POPORTIONS. 



I. Marginal Cross-vein Present. 



A. Wings wholly or 2y(f''^ily haired, those of $ in some species 

 entirely naked. All femora simple^ unarmed. 

 a. Ungues with hairy piilvilli, of equal length in both sexes. 



