LIST OF D1PTERA. 187 



H Tabanus vicarius, n. s., fem. Albido-fulvus, abdomine nigro albido 

 fasciato fulvoque trivittato, antennis ferrugincis, pedibus fuhis, 

 femoribus subcinereis, tibiis apice tar sisque piceis, pedibus anticis 

 nigris, alis subcinereis. 



Allied to T. occidentalism Linn. Head tawny, hoary beneath : 

 mouth black ; palpi hoary : feelers ferruginous, black towards the 

 tips ; horn on the base of the third joint very small : chest whitish 

 tawny, thinly clothed with tawny hairs : breast hoary : abdomen 

 black, with three tawny stripes ; the side stripes become ferruginous 

 towards the base ; under-side hoary, tawny towards the base ; hind 

 borders of the segments whitish : legs tawny ; hips and thighs with 

 a grayish lustre ; feet and tips of shanks piceous ; fore legs, except- 

 ing the base of the shanks, almost black : wings very pale gray, 

 slightly tawny at the base and along the fore borders ; wing-ribs and 



I veins tawny, the latter piceous towards the tips ; poisers pale tawny. 

 Length of the body 5 lines ; of the wings 10 lines. 



I a. Honduras. From Mr. Miller's collection. 



\ b. Massachusetts. From Prof. Sheppard's collection. 

 c. North America. From Mr. Children's collection. 



1 Tabanus jucundus, n. s., mas. Fuscus, capite pectore ventre abdo- 

 minisque segmentorum marginibus posticis albidis, thorace cano 

 trivittato, abdominis dimidio apicali albo vittato, antennis tibiis- 

 que ferrugineis, femoribus canis, tibiis apice tarsisque piceis, alis 

 limpidis. 



Head white, clothed beneath with white hairs, broader than 

 the chest: mouth black: feelers ferruginous ; angle at the base of 

 j the third joint very small : eyes large, banded: chest brown, with 

 three broad hoary stripes : breast bluish white : abdomen brown ; 

 hind borders of the segments whitish ; a clear white stripe proceeds 

 from the base of the third segment nearly to the tip ; under-side 

 bluish white, and clothed with white down : hips and thighs hoary ; 

 shanks dark ferruginous ; feet and tips of shanks piceous ; fore feet 

 black : wings colourless ; wing-ribs and veins piceous ; poisers taw- 

 ny, with pale yellow knobs. Length of the body 5^ lines ; of the 

 wings 10 lines. 

 a. Hong-Kong, China. Presented by J. C. Bowring, Esq. 



Tabanus parallelus, n. s., fem. Ferrugineus, capite flavo-fusco, 

 subtus albo, thorace fulvo quadrivittato, pectore cano vario, ab- 

 domine apice piceo basi subtus albo, pedibus ferrugineis, alis sub- 

 fuscis. 

 Head dull yellowish brown above, with a shining brown spot a 



little above the base of the feelers, white and clothed with white 



