382 LIST OF DIPTERA. 



legs black, rather slender, not armed with teeth, clothed with short 

 gray hairs ; shanks hardly curved ; thighs and shanks beset with a 

 few black bristles ; feet armed with short black spines ; claws black ; 

 foot-cushions dark tawny : wings colourless for half the length from 

 the base, light brown thence to the tips ; wing-ribs and veins black ; 

 poisers ferruginous. Length of the body 6 — 8 lines ; of the wings 

 12— -14 lines. 



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



G. Barnston, Esq. 



b. Nova Scotia. From Lieut. Redman's collection. 



c. ? 



Laphria posticata, Say, Long's Exped. to St. Peters River, App. 

 374, 1. Wied. Auss. Zweif. i. 518, 32. 



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



G. Barnston, Esq. 



b. Nova Scotia. From Lieut. Redman's collection. 



c. Maine. Presented by the Entomological Club. 



d. -? 



Laphria thoracica, Fabr. Syst. Anil. 158, 10. Wied. Dipt. Exot. 

 i. 236, 8. Auss. Zweif. i. 51 1 , 21 . 



a. Nova Scotia. From Lieut. Redman's collection. 



b. New York. Presented by E. Doubleday, Esq. 



Laphria sericea, Say, Journ. Acad. Phil. iii. 74, 4. Amer. Ent. 

 pi. vi. Wied. Auss. Zweif. i. 508, 16. 



a. Ohio. Presented by the Eutomological Club. 



b. ? From Mr. Children's collecion. 



c. Canada. 



d. Nova Scotia. From Lieut. Redman's collection. 



Laphria Sacrator, n. s. JEneo-atra, sublinearis, vix lata, pilis fla- 

 vis nigrisque hirta, pectore ventreque piceis, antennis nigris, pedi- 

 bus piceis, tarsis ferrugineis, alis limpidis. 



Body bronze-black, nearly linear, not very broad, thickly clothed 

 with hairs : head narrower than the chest, clothed with black and 

 yellow hairs ; the latter are most frequent on the front and on the 

 clypeus, where the hairs are longest ; tubercle of the eyelets beset 

 with two black bristles : eyes black ; fore part flat, very distinct from 

 the other part, and having much larger facets : lip black, short, its 

 tip clothed with ferruginous hairs ; feelers black ; first joint linear, 

 clothed with black hairs ; second joint cup-shaped, beset with black 

 bristles, not half the length of the first; third joint slightly tapering 

 from near the base to the tip, about twice the length of the first and 



