752 LIST OF DIPTERA. 



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

 as long as the face ; tips of the first and second joints ferruginous ; 

 third joint very much longer than the second, flat above, convex be- 

 neath, slightly rounded at the tip ; bristle more than twice the 

 length of the third joint, its first joint very short; second joint 

 rather more than twice the length of the first ; third joint stout for 

 one-third of its length, very slender from thence to the tip : chest 

 with three indistinct black stripes : scutcheon and abdomen hoary, 

 armed with long spines : abdomen nearly oval, a little longer than 

 the chest ; hind borders of the segments black, as is also a stripe on 

 the back: legs black, clothed with black hairs and bristles ; foot- 

 cushions tawny: wings slightly gray; wing-ribs tawny; veins 

 black, taw r ny at the base ; tip cross-vein forming a very obtuse angle 

 with the fourth longitudinal vein, hardly curved inward from the 

 base to the tip, joining the border at some distance above the tip of 

 the wing ; lower cross-vein slightly curved inward, except at the 

 hase and at the tip, where it is straight ; scales white. Length of 

 the body 3^ lines ; of the wings 6i lines. 

 a. England. 



Tachina Orga, n. s., mas. et fern. Plumbea, capite fulvo, abdomine, 

 mari. fulvo fem. cinereo, palpis fulvis, antennis luteis, pedibus 

 fulvis, tarsis nigris, alts sublimpidis. 



Body black, beset with black hairs and bristles : head tawny ; 

 sides of the face fringed with bristles for half the length from the 

 base; epistoma slightly prominent: eyes red, not hairy: sucker 

 pitchy, tawny and clothed with tawny hairs at the tip ; palpi tawny, 

 slender, beset with black bristles: feelers orange-colour, shorter than 

 the face; third joint linear, truncated at the tip, more than twice the 

 length of the second joint ; bristle black, much longer than the third 

 joint, its first and secondjoints short, first joint tawny; second joint 

 a little longer than the first ; third joint stout for full half the 

 length, very slender from thence to the tip : chest slate-colour, with 

 three slender black stripes on the fore part: abdomen obconical, a 

 little shorter than the chest, of the male tawny, of the female gray : 

 legs tawny, clothed with black hairs and hristles ; shanks darker 

 than the thighs; feet black ; foot-cushions pitchy, small: wings 

 nearly colourless; wing-ribs tawny ; veins black, pitchy at the base ; 

 tip cross-vein forming a slightly obtuse angle with the fourth longi- 

 tudinal vein, curved a little inward from the base to the tip, joining 

 the border a little before the tip of the wing ; lower cross-vein 

 hardly curved inward, almost straight; scales tawny. Length of 

 the body 3 lines ; of the wings 6 lines. 

 a. Sydney. From Mr. Lambert's collection. 



