LIST OF DIPTEEA. 611 



hairs, which fringe the sides and hind borders of the segments : legs 

 brassy black, clothed with short tawny hairs ; shanks tawny towards 

 the base ; feet pitchy ; shanks and feet clothed beneath with ferru- 

 ginous down ; claws and foot-cushions tawny ; tips of claws black : 

 wings colourless ; wing-ribs ferruginous ; veins black, ferruginous 

 towards the base; poisers yellow. Length of the body 3^ — 4i 

 lines ; of the wings 6 — 8 lines. 



a. Albania. Presented by W. W. Saunders, Esq. 



Eristalis laetus, Wied. Auss. Ziveif. ii. 192, 58. 

 a. China. Presented by G. T. Lay, Esq. 



Eristalis sincerus, Harris, Cat. Ins. Massachusetts. E. cupreovit- 

 tatus? Wied. Auss. Zweif. ii. 190, 54. JEneus, capite nigro, 

 thorace vittato, antennis ferrugineis, pedibus nigris, tibiis basi 

 fulvis, tarsis piceis, alls limpidis. 



Body brassy : head black, clothed with short dark tawny hairs, 

 and in front with white hairs : mouth black : feelers ferruginous : 

 eyes dark red ; all the facets small : chest indistinctly striped, 

 clothed with short whitish hairs : abdomen rather brighter than the 

 chest, clothed with short whitish hairs : legs black, clothed with 

 short tawny hairs ; feet pitchy ; shanks pale tawny towards the base ; 

 foot-cushions lawny: wings colourless; wing-ribs and poisers taw- 

 ny ; veins black, tawny towards the base. Length of the body 5 

 lines ; of the wings 9 lines. 



a. United States. Presented by the Entomological Club. 



Eristalis taphicus, Wied. Auss. Zweif. ii. 191, 57. 

 a. TenerifTe. Presented by the Entomological Club. 



Eristalis incisus, Wied. Auss. Zweif. ii. 155,5. 

 a. South Africa. Presented by Dr. A. Smith. 



Eristalis assimilis, n. s., fern. Nigro-fuscus, seutelli margine fer- 

 rugineo, abdomine basifulvo, antennis piceis, pedibus fulvis,fe- 

 moribus tibiisque posticis piceis, alis Limpidis. 



Body dark brown : head covered with tawny down, clothed 

 with short tawny hairs ; crown clothed with brown hairs, front with 

 hoary hairs : mouth black : feelers pitchy ; bristle tawny : eyes 

 pitchy, slightly bronzed ; facets on the fore part of the crown larger 

 than those elsewhere : chest and breast covered with dull tawny 

 bloom, thickly clothed with short tawny hairs ; border of the scutch- 

 eon ferruginous : abdomen obconical, longer and a little broader 

 than the chest, covered with dull tawny bloom, thinly clothed 



