744 LIST OF DIPTERA. 



a black stripe from the eyelets to the base of the feelers : eyes pitchy, 

 not hairy: sucker black, clothed at the tip with tawny hairs; palpi 

 tawny, slender, beset with black bristles : feelers black, nearly as 

 long as the face ; third joint not much longer than the second, flat 

 above : very slightly convex beneath, truncated at the tip ; bristle 

 much longer than the third joint, its second joint more than twice 

 the length of the first ; third joint rather stout, though tapering for 

 half its length, very slender from thence to the tip: abdomen obco- 

 nical, rather narrow, very much longer than the chest; third and 

 following segments hoary, with the exception of the hind borders and 

 a stripe on the back: legs black, clothed with black hairs and bris- 

 tles ; foot-cushions tawny : wings slightly gray ; wing-ribs pitchy ; 

 veins black ; tip cross-veiu forming a slightly obtuse angle with the 

 fourth longitudinal vein which projects some distance beyond it, very 

 slightly curved inward near the base, straight from thence to the 

 tip, which joins the border at some distance above the tip of the 

 wing ; lower cross-vein with two curves, the lower large and inward, 

 the other outward and more slight ; scales dingy white, bordered 

 with yellow. Length of the body 4^ lines ; of the wings 9 lines. 



a. England. 



Tachina ? Head wanting. 



a. Eugland. 



Tachina Pamesos, n. s. Cinerea, capite albo, abdomine cano mi- 

 cante, segmentorum marginibus posticis vittaque dorsali nigris, 

 palpis fulvis, antennis pedibusque nigris, aiis subcinereis ad cos- 

 tam spinosis. 



Body black, covered with black hairs and bristles : head co- 

 vered with white bloom, excepting a black stripe between the eyelets 

 and the base of the feelers, clothed beneath with hoary hairs ; a taw- 

 ny tinge on the sides of the crown ; epistoma yellow, not prominent; 

 sides of the face fringed with bristles for one-fourth of the length 

 from the base : eyes coppery, not hairy : sucker black, clothed at the 

 tip with tawny hairs : palpi tawny, slender, beset with black bris- 

 tles: feelers black, about three-fourths of the length of the face; 

 third joint a little longer than the second, flat above, convex be- 

 neath, very obliquely truncated at the tip; bristle more than twice 

 the length of the third joiut, its second joint short, but longer than 

 the first; third joint stout for more than one-third of its length, very 

 slender from thence to its tip; scutcheon armed with some long 

 black spines : abdomen obconical, a little longer than the chest, be- 

 set with black spines, adorned with hoary reflections, which are in- 

 terrupted on the hind borders of the segments and by a stripe on the 



