DrPTERA. 1ST 



hairs: breast ^ray: abdomen obcouical, mueli shorter than the chest, 

 clothed on each side with bhick hairs, whicli are replaced by ferrugi- 

 nous hairs at the base and by silvery and pale tawny hairs near the tip ; 

 underside clothed with white hairs : legs pitchy, clothed with short black 

 hairs and bristles : thighs tinged with gray : ivhu/s very dark rich hroion 

 for near tu-o-thirds of the length from the base, colourless thence to the tips ; 

 the outline of the brown is oblique, nearly straight, and extends from near 

 three-fourths of the fore border to near one-half of the hind border ; wing- 

 ribs and veins pitchy ; poisers tawny with yellow knobs. Length of the 

 body 4 lines ; of the wings 10 lines. 



Anthrax incisa, Fem. 



Nigra, nigro-hirta, thorace viridi micante, capita thoracisque laleribus 

 ferrugineo alboque pilosis, abdominis apice fasciculis duabus fulvis 

 ornato, antennis nigris, pedibus piceis, femoribus anterioribus fulvis, 

 alis nigro-fuscis apice oblique limpidis. 



Black : head clothed above with black hairs, in front with ferruginous 

 tawny and white hairs, hoary and clotlied with white hairs behind : sides of 

 the peristoma tawny : mouth pitchy : chest adorned with black and bright 

 green hairs, and on each side with bright ferruginous hairs, excepting the 

 fore part where the hairs are white : breast gray, thickly clothed with white 

 hairs : scutcheon and adjoining sides of the chest dark ferruginous : ab- 

 domen obconical, shorter than the chest, clothed with short black hairs, 

 adorned with a tuft of pale tawny hairs on each side near the tip ; under- 

 side clothed with white hairs towards the base with tawny hairs towards 

 the tip : legs pitchy, clothed with short black hairs and bristles ; thighs 

 adorned with a tawny covering; four anterior thighs tawny, wings very 

 dark brown ivith some slight ferruginous streaks for much more than half the 

 surface from the base; the outline of this brotvn is very oblique, has two 

 curves and tivo distinct angles, and extends from three-fourths of the fore 

 border to beyond half of the hind border; wing- ribs and veins pitchy; 

 scales very dark brown, deeply fringed ; poisers tawny with yellow knobs. 

 Length of the body 6 — 7 lines ; of the wings 15 — 17 lines. 



North America. 



