972 LIST OF DIPTERA. 



epistoma not prominent : eyes red ; fore part flat, its facets very 

 much larger than those elsewhere : sucker pitchy, clothed with tawny 

 hairs ; palpi tawny, beset with black bristles, widened into a round 

 form : feelers black, as long as the face ; third joint slender, linear, 

 conical at the tip, more than thrice the length of the second joint : 

 chest and breast tinged with gray : abdomen elliptical, a little 

 broader and longer than the chest, flat above, adorned on each side 

 with large triangular gray spots ; under side gray : legs black, 

 clothed with black hairs and bristles ; thighs and shanks tinged 

 with gray ; knees ferruginous ; feet pitchy ; claws black ; foot- 

 cushions tawny : wings gray ; wing-ribs tawny ; veins black, tawny 

 towards the base ; lower cross-vein nearly straight, but having 

 a slight outward curve near the base ; scales large, whitish with 

 pale yellow borders, the lower extending far beyond the upper ; poi- 

 sers dark tawny. Length of the body 2\ lines ; of the wiugs 5 

 lines. 



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

 G. Barnston, Esq. 



Lispe simillima, n. s., fern. Nigra, palpis antennis pedibusque ni- 



gris, alis cinereis. 



Body black, clothed with black hairs and bristles : eyes black ; 

 fore part flat, its facets larger than those elsewhere : sucker and 

 palpi black, hairy: feelers black, a little shorter than the face ; third 

 joint linear, rounded at the tip, near thrice the length of the second ; 

 bristle feathered : abdomen elliptical, flat, a little longer and 

 broader than the chest: legs black, clothed with black hairs and 

 bristles : wings gray ; wing-ribs pitchy ; veins black ; lower cross- 

 vein straight, separated by more than twice its length from the 

 middle cross-vein ; scales white, with tawny borders ; poisers pitchy. 

 Length of the body 3 lines ; of the wings 5 lines. 

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



G. Barnston, Esq. 



Cordylura, Fallen. 



Group I. Mosina, Desv. Essai Myod. 670. 



Cordylura pubera, Fall. Scatomyz. 6, 1. Meig. Dipt. v. 230, 1. 

 pi. 45, /. 22. Macq. Hist. Nat. Dipt. ii. 381, 1, pi. 18, /. 7. 

 Zett. Ins. Lapp. 725, 1. Dipt. Scand v. 1995, 1. Musca pu- 

 bera, Linn. Syst. Nat. ii. 994. Faun. Suec. 1855. Gmel. Ed. 



