964 LIST OF DIPTERA. 



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

 sucker black, clothed towards the tip with dark tawny hairs ; palpi 

 black, beset with black bristles : feelers black, nearly as long as the 

 face ; third joint linear, truncated at the tip, much longer than the 

 second : abdomen elliptical, a little longer than the chest : legs 

 black, clothed with black hairs and bristles ; foot-cushions pitchy : 

 wings slightly gray; wing-ribs pitchy; veins black, pitchy at the 

 base ; lower cross-vein with a slight inward curve near the tip, and 

 a more slight outward curve near the base ; scales of moderate size, 

 gray with dull tawny borders, the lower extending beyond the upper; 

 poisers black. Length of the body H line ; of the wings 3^ 

 lines. 



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

 G. Barnston, Esq. 



Eeiphia Lamnia, n. s., mas. Nigra, abdomine cinereo vitta inter- 

 rupta nigra, palpis antennis pedibusque nigris, alis cinereis. 

 Body black, thickly clothed with black hairs and bristles : 

 sides of the face fringed with bristles at the base ; epistoma promi- 

 nent : eyes red ; fore part rather flat, its facets rather larger than 

 those elsewhere : sucker blacky clothed with tawny hairs : palpi 

 black, beset with black bristles : feelers black, a little shorter than 

 the face ; third joint almost round, hardly longer than deep, a little 

 longer than the second ; bristle bare, much more than twice the 

 length of the third joint, very stout for one-third of the length, slen- 

 der from thence to the tip : abdomen obconical, gray with an inter- 

 rupted black stripe, very thickly beset with bristles, narrower but not 

 longer than the chest; sutures of the segments black : legs black, 

 clothed with black hairs and bristles ; foot-cushions pale tawny: 

 wings gray ; wing-ribs and veins black ; lower cross-vein with 

 a very indistinct inward curve ; scales small, white with pale yellow 

 borders, the upper extending a little beyond the lower ; poisers 

 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. 



Eriphia marginata, Barnstoris AISS. Nigro-cinerea, capite ferru- 

 gineo fulvoque vario, abdomine cano. segmentorum marginibus 

 anticis nigris, palpis antennisque nigris, pedibus nigro-cinereis, 

 alis cinereis. 



Body black, clothed with black* hairs and bristles: head 

 adorned with a ferruginous spot in front of the crown at the base of 

 the feelers, and with a tawny stripe on each side of the crown and 



