LIST OF DIPTERA. 503 



yellow towards the base. Length of the body 1 J line ; of the wings 

 3i lines. 



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

 G. Barnston, Esq. 



Rhamphomyia pennata, Macquart, Dipt. Nord. vi. Hist. Nat. 



Dipt. i. 338, 19. Curt. Brit. Ent. 517. 

 a. England. Presented by F. Walker, Esq. 



Group IV. 



Rhamphomyia Daria, n. s., mas. Cinereo-nigra, antennis nigris, 

 pedibus fulvis, femoribus apice tibiisque posticis piceis, genubus 

 Jlavis, tarsis nigris, alis limpidis fulvo subvittatis. 



Body black, with a slight gray tinge : eyes red : lip black, 

 about twice the length of the head : feelers black : legs tawny ; 

 tips of thighs above piceous ; knees yellow ; shanks darker than the 

 thighs ; hind shanks piceous ; feet black, dark tawny at the base : 

 wings colourless, with a slight tawny tinge along some of the bor- 

 ders of the veins ; wing-ribs tawny ; veins piceous, tawny towards 

 the base. Length of the body 2f lines ; of the wings 6 lines. 



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



Rhamphomyia flava, Meig. Dipt. iii. 59, 36. Macq. Hist. Nat. 



Dipt. i. 335, 2. Zett. Ins. Lapp. 572, 45. Empis flava, Fall. 



Empid. 30, 35. 

 a. England. Presented by F. Walker, Esq. 



Rhamphomyia carbonaria, Hoffmansegg. Meig. Dipt. iii. 59, 34. 

 a. Hammerfest, Finmark. Presented by F. Walker, Esq. 



Fam. XI Tachydromle. 



Heliodromia, Holiday. 



Div. I. 



Heliodromia immaculata, Holiday, Ent. Mag. i. 159. Curt. Brit. 

 Ent. 513, 1. Macq. Hist. Nat. Dipt. ii. 658, I. Hemerodro- 

 mia immaculata, Meig. Dipt. vii. 93, 11. 



a. England. Presented by F. Walker, Esq. 



b. Alten, Finmark. Presented by F. Walker, Esq. 



