LIST OF DIPTERA. 733 



neath, deepening from the base to the tip, which is truncated ; bris- 

 tle naked, its second joint of moderate length, longer than the first: 

 scutcheon and abdomen towards the tip armed with some long black 

 spines : legs black, clothed with black hairs and bristles ; claws fer- 

 ruginous at the base ; foot-cushions pale yellow : wings slightly 

 gray ; wing-ribs and veins pitchy ; tip cross-vein forming a right 

 angle with the fourth longitudinal vein, which sends forth a very 

 short stump beyond it, much curved inward, straight towards the 

 tip, joining the border at some distance above the tip of the wing ; 

 lower cross-vein with two curves, the lower distinct and inward, the 

 other outward and hardly perceptible ; scales dingy white. Length 

 of the body 3^ lines ; of the wings 7 lines. 



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

 G. Barnston, Esq. 



Div. B. Anthophilse, Desv. Essai Myod. 51. 



Group I. 



Third joint of the feelers nearly linear, slightly concave above, 

 flat beneath, twice or almost twice the length of the second joint ; 

 second joint of the bristle short, but longer than the first ; middle 

 legs long. 



Tachina Anthemon, n. s. Fulva, thorace cinereo, abdominis apice 

 nigro, antennis fulvis articulo 3° ferrugineo, pedibus fulvis, alis 

 fusco-fulvis. 



Head tawny, partly covered with white shining down ; borders 

 of the cavity between the eyelets and the feelers gray, and beset with 

 black bristles ; head elsewhere beset with a few black bristles, paler 

 and clothed with some white hairs beneath ; epistoma not promi- 

 nent ; sides of the face fringed with bristles for one-third of the 

 length from the base : sucker tawny, thinly clothed with pale yellow 

 hairs ; palpi tawny, beset with black bristles : eyes red, covered with 

 whitish down ; facets on the fore part rather larger than those else- 

 where: feelers tawny, shorter than the face ; third joint ferruginous, 

 slender, almost linear, slightly concave above, flat beneath, rounded 

 at the tip, about twice the length of the second joint ; bristle black, 

 tawny at the base, tapering, more than twice the length of the third 

 feeler-joint, its second joint short, but longer than the first: chest 

 and breast gray ; chest beset with black bristles ; sides tawny, and 

 clothed like the breast with short tawnv hairs ; scutcheon covered 



