312 DIPTERA OF NORTH AMERICA. [PART II. 



Yar. j3. Chest and abdomen coppery. 



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

 by G. Barnston, Esq. 



Page 661. Dolicltopus ciliatus, BAKXSTON'S MSS., Mas. et Fern. 



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

 culo 3 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 ; Tbristle 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 G. Barnston, Esq. 



Page 661. Dolicltopiis adjaceiis, n. s., Fern. 



^Eneus 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 coercens, n. s., Mas. 



Yiridis, capite cyaneo-viridi, thoracis lateribus cupreo etcyane< 

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

 bus fulvis, alis limpidis. 



