DIPTERA. 193 



one-fourth of the hind border ; there are also two brown spots, one at the 

 base of the tip cross-vein, the other at the base of the inner vein of the third 

 submarginal arcolct ; wing-ribs, veins and poisers black. Length of the 

 body 2i lines ; of the wings 7 lines. 



? 



Anthkax antecedens, Fem. 



Nigra, nigro-setosa, pedibus fulvis, femoribus nigris, alis limpidis basi 

 fuscis fusco trimacutatis. 



Black, rather thickly beset with black bristles which form a fringe in 

 front of the chest ; sides clothed with gray hairs -. abdomen nearly elliptical, 

 a little shorter than the chest : legs dark tawny, beset with black bristles ; 

 thighs black ; feet pitchy towards the tips : tvings colourless, dark brown 

 from two-thirds of the fore border to one-fourth of the hind border ; the out- 

 line of the brown is irregular, and in its upper course it is deeply indented 

 by the colourless part ; there are three broicn spots on the cross-veins and of 

 these the middle spot is in one wing attended by a satellite ; wing-ribs and 

 veins black ; poisers tawny with pitchy knobs. Length of the body 3 

 lines ; of the wings 8 lines. 



United States. 



Anthrax ausxralis, Saunders MSS., Fem. 



Nigro-fusca, nigro-hirta, thoracis laferibus posticis ferrugineis, abdominis 

 lateribus albo bifasciculatis, antennis pcdibusque nigris, alis nigro- 

 fuscis, guttis apice margineque postico interrupte sinuato-limpidis 

 fusco quinque-maculatis. 



Very dark brown, clothed with black hairs: sucker and feelers black : 

 sides of the hind part of the chest very dark ferruginous, beset with a small 

 tuft of black bristles : abdomen a little shorter than the chest, slightly in- 

 creasing in breadth from the base to the almost truncated tip, fringed with 

 black hairs on each side which is adorned with two tufts of white hairs, 

 one at the base, the other near the tip : legs black or pitchy, armed with 

 black spines : feet clothed with very short black hairs : ivings very dark 

 brown; borders of the a-oss-veins almost colourless ; a colourless spot beneath 

 the fore border near the tip, from which to far beyond half the length of the 



