312 DIPTERA OF NORTH AMERICA. [PART II. 



Yar. /3. Chest and abdomen coppery. 



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

 by Gf. Barnston, Esq. 



Page 661. Dolicbopus ciliatus, BARNSTON'S MSS., Mas. et Fern. 



Viridis, capitis fronte aureo-pubescente, antennis fulvis, arti- 

 culo 8 supra nigro, pedibus fulvis, tarsis piceis alis subcinereis. 



Body green ; head covered in front with golden down ; eyes red ; 

 mouth black ; feelers tawny ; third joint nearly oval, black from 

 near the base to the tip above, and from half its length to the tip 

 beneath ; bristle black ; breast and sides of the chest and of the 

 abdomen covered with white bloom ; appendages of the abdomen 

 tawny ; scales white ; legs tawny ; feet pitchy ; fore feet dark 

 tawny ; wings slightly gray ; wing-ribs tawny ; veins black ; 

 poisers yellow. Length of the body 1^-lf line ; of the wings 3 

 lines. 



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

 by Gf. Barnston, Esq. 



Page 661. Dolicliopus adjacens, n. s., Fern. 



JEneus viridi varius, capite cyaneo-viridi, antennis nigris, pedi- 

 bus fulvis, tarsis posticis piceis, alis subcinereis. 



Head bluish-green on the crown, covered in front with yellowish 

 white down, fringed along the eyes with hoary hairs ; eyes red ; 

 mouth pitchy ; palpi tawny ; feelers black ; third joint very short ; 

 chest and abdomen brassy, mingled with green ; breast and sides 

 of the chest covered with gray bloom, which also appears beneath 

 the abdomen, but is more slight ; legs tawny ; hips green, covered 

 with gray bloom ; fore hips mostly tawny ; feet darker than the 

 shanks, especially towards the tips ; hind feet pitchy ; wings 

 slightly gray ; wing-ribs and poisers tawny ; veins black. Length 

 of the body 3 lines ; of the wings 6 lines. 



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

 by G. Barnston, Esq. 



Page 661. Dolichopus cocrcens, n. s., Mas. 



Yiridis, capite cyaneo-viridi, thoracis lateribus cupreo et cyanco 

 ornatis, abdomine cupreo vario, apice nigro, antennis nigris, pedi- 

 bus fulvis, alis limpidis. 



