LIST OF DIPTERA. 173 



white hairs : abdomen brown, with a tawny spot on each side of 

 every segment ; these spots are smaller and paler towards the tip, 

 and there is also on the back a slight stripe formed of a few tawny 

 hairs; hind borders of the segments dark (?) tawny; first, secon'd 

 and third segments beneath tawny on each side : legs ferruginous ; 

 . hips and thighs gray ; shanks tawny, with ferruginous tips ; fore feet 

 and tips of the other feet piceous: wings very slightly gray; veins 

 and brands ferruginous, the latter very narrow ; poisers tawny, their 

 knobs pale brown with pale tawny tips. Length of the body 6 lines ; 

 of the wings 12 lines. 



Allied to T. affinis, Kirby, North- Amer. Zool. iv. 313, 1, 440. 

 a. Nova Scotia. From Lieut. Kedman's collection. 



^Tabanus intermedius, n. s., mas. Cinereus, capite flavo-albo, pectore 

 cano, abdomine cinereo nigro, fulvo bivittato, subtus cano, pedi- 

 bus fulvis, protarsis nigris, alls limpidis. Fern. — Abdomine 

 fulvo basi cano. 



Head yellowish white, clothed beneath with white hairs, a little 

 broader than the chest : eyes red : palpi tawny : sucker piceous : 

 feelers bright taw r ny ; third joint with an angle at the base: chest 



| gray, thickly clothed with brown hairs: breast hoary, clothed with 

 white hairs: abdomen grayish black, slightly clothed with black 



j hairs towards the base ; hind borders of the segments clothed with 

 yellow hairs ; a broad tawny stripe along each side of the first, se- 

 cond and third segments; under-side hoary: legs tawny ; base of 

 thighs black ; tips of feet piceous ; feet and tips of shanks of fore 

 legs black: wings colourless; veins and poisers tawny, the former 



i piceous towards the tips of the wings. Length of the body 5j lines ; 



! of the wings 10 lines. 



Fern. — Crown of the head hoary : abdomen tawny, hoary at the 

 ' base. 



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

 G. Barnston, Esq. 



Tabanus imitans, n. s., mas. et fern. Fuscus, capite fulvo, pectore 



icano, abdominis segmentis fulvo fasciatis, pedibus nigris, tibiis 

 basi subtusque fulvis, alis limpidis. Fern. — Pedibus fulvis, fe- 

 moribus posterioribus tarsisque piceis. 

 Head pale tawny, thickly clothed beneath with white hairs : 

 1 eyes tawny, red in front : palpi pale yellow : sucker ferruginous : 

 ! feelers tawny, beset with a few black hairs towards the base; third 

 i joint ferruginous, very slightly curved, forming a scarcely percepti- 

 ble angle at the base : chest pale brown, clothed with tawny hairs * 



Q3 



