LIST OF DIPTERA. 949 



tawny hairs ; palpi black, beset with black bristles : feelers black, 

 nearly as long as the face; third joint very deep, rounded at the tip, 

 about thrice the length of the second ; bristle downy, rather stout at 

 the base, much more than twice the length of the third joint, its se- 

 cond joint long : abdomen elliptical, a little longer than the chest : 

 legs black, clothed with black hairs and bristles : foot-cushions 

 pitchy : wings slightly gray ; wing-ribs tawny ; veins black, tawny 

 towards the base ; lower cross-vein forming a very slight inward an- 

 gle in the middle part of its course ; scales small, whitish with pale 

 yellow borders ; poisers pale tawny. Length of the body 2 lines ; 

 of the wings 4 lines. 



a. St. Martin's Falls, Albany River, Hudson's Bay. Presented by 

 G. Barnston, Esq. 



Anthomyia Tinia, n. s., fem. Cana, thorace fusco trivittato, abdo- 



mine maculis nigris trigonis vittato, palpis antennisque nigris, 



pedibus nigro-cinereis, alls subcinereis. 



Body adorned with a hoary covering, clothed with black hairs 

 and bristles : a forked black spot succeeded by a ferruginous spot in 

 front of the crown ; sides of the face without bristles ; epistoma 

 slightly prominent, its fore side ferruginous : eyes red ; fore part 

 slightly convex, its facets a little larger than those elsewhere : sucker 

 black, clothed towards the tip with tawny hairs ; palpi black, beset 

 with black bristles : feelers black, a little shorter than the face ; third 

 joint linear, slightly rounded at the tip, about twice the length of 

 the second ; bristle downy, rather stout towards the base, much more 

 than twice the length of the third joint : chest adorned with three 

 pale brown stripes : abdomen oval, a little longer than the chest, 

 adorned along the back with a black stripe, which forms a triangle 

 on each segment, and is widened near the tip ; fore borders of the 

 segments black : legs black, clothed with black hairs and bristles ; 

 knees ferruginous ; thighs and shanks tinged with gray ; foot- 

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

 black, tawny towards the base ; lower cross-vein very indistinctly 

 curved inward for half the length from the base, straight from thence 

 to the tip ; scales small, whitish with tawny borders, the lower not 

 extending beyond the upper ; poisers yellow, tawny at the base. 

 Length of the body 2\ lines ; of the wings 5 lines, 

 a. St. Martin's Falls, Albany River, Hudson's Bay. Presented by 



G. Barnston, Esq. 



