500 LIST OF DIPTERA. 



down; hind legs long and stout; hind feet somewhat widened: 

 wings dark brown ; wing-ribs piceous ; veins black, piceous towards 

 the base ; poisers tawny. Length of the body 1 J — lj line ; of the 

 wings 3 — 3J lines. 



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

 G. Barnston, Esq. 



Rhamphomyia Phemius, n. s., mas. et fern. Cinerea, thoracis vit- 

 tis tribus nigris, antennis nigris, pedibus piceis, alis mari. limpi- 

 dis fern, fuscis. 



Body very dark gray : eyes piceous : feelers and lip black, the 

 latter longer than the head : chest clothed with black hairs, adorned 

 with three black stripes: legs piceous, clothed with short black 

 hairs : wings of the male colourless, of the female dark brown ; 

 wing-ribs piceous ; veins black, piceous towards the base ; poisers 

 ferruginous. Length of the body 1^ line ; of the wings 4 lines. 



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

 G. Barnston, Esq. 



Rhamphomyia Ecetra, n. s. mas. Nigra, thoracis vittis tribus cine- 

 reis, antennis pedibusque nigris, femoribus anticis subtus ferru- 

 gineis, alis fuscis. 



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

 lip black : feelers black ; first and second joints beset with very 

 short black hairs; third clothed with long tawny hairs: chest 

 adorned with three dark gray stripes : legs black, thickly fringed 

 with very short black hairs ; fore-thighs ferruginous beneath ; wings 

 dark brown ; wing-ribs and poisers ferruginous ; veins piceous, fer- 

 ruginous towards the base. Length of the body 1^ line ; of the 

 wings 3^ lines. 

 a. Georgia. From Mr. Abbot's collection. 



Rhamphomyia Anaxo, n. s., mas. et fern. Cinerea, abdomine ni- 

 gro, antennis nigris, pedibus piceis, alis subfulvis. 



Body gray, slightly hairy : feelers black : eyes piceous : lip 

 black, shorter than the chest : abdomen black, shining : legs pice- 

 ous, slightly covered with black down : wings with a slight tawny 

 tinge, nearly colourless at the tips and along the hind borders; 

 wing-ribs and poisers tawny ; veins piceous, tawny towards the 

 base. Length of the body 1^ line ; of the wings 3 lines. 



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

 G. Barnston, Esq. 



