162 LIST OF DIPTERA. 



Tabanus mentitus, n. s., mas. Flavo-fuscus, capite fulvo, pectore 

 cano, abdomine ferrugineo, maculis nigris albisque univittato, 

 apice piceo, pedibus piceis, tibiis ferrugineis, alis subcinereis. 

 marginibus anticis subfulvis. 



Head pale tawny in front, still paler beneath, where it is clothed 

 with yellowish white hairs : eyes piceous : mouth pale tawny ; sucker 

 piceous : feelers ferruginous ; third joint piceous, except the base : 

 chest pale yellowish brown : breast hoary : abdomen ferruginous, 

 piceous at the tip ; a fringe of short tawny hairs along the hind 

 border of each segment, which has also a black triangular spot on 

 its back ; these spots are accompanied by white spots, which decrease 

 in size towards the base of the abdomen, whereas the size of the 

 black spots increases in that direction : legs piceous ; shanks ferru- 

 ginous, with piceous tips : wings slightly gray, with a tawny tinge 

 along the fore borders ; veins piceous ; poisers ferruginous, with 

 tawny tips. Length of the body 8 lines ; of the wings 15 lines. 



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



Tabanus tibialis, n. s., fern. Fuscus, capite pectoreque fulvis, tho- 

 race fulvo quadrivittato , abdominis fasciis tibiis ventreque fulvis, 

 pedibus fulvis, femoribus anticis tarsisque piceis, alis fuscis. 



Head tawny, paler beneath, where it is thickly clothed with 

 pale tawny hairs : eyes dark piceous : mouth pale tawny ; sucker 

 black : chest brown, with four tawny stripes : breast tawny, clothed 

 with tawny hairs: abdomen brown, with three tawny stripes, the 

 side stripes interrupted ; under-side tawny : legs dull tawny ; thighs 

 darker than the shanks ; feet and fore legs piceous, shanks of the 

 latter pale tawny with piceous tips : wings brown, paler towards the 

 tips; veins piceous; poisers pale tawny. Length of the body 9i 

 lines ; of the wings 1 8 lines. 



a. West Africa. From Mr. Fraser's collection. 



Tabanus lividus, n. s., fern. Rufescens, capite subtus pectore thora- 

 cisque apice canis, abdominis apice piceo, pedibus fulvis, alis 

 fuscis apice cinereis. 



Body dull red, with a gray bloom, thinly clothed with pale red 

 hairs : head beneath, breast, and chest at the tip, hoary and clothed 

 with white hairs: eyes dark piceous: mouth pale red; sucker black: 

 abdomen clothed with yellow down, which forms on each side a large 

 spot, beyond which and at the tip it is piceous : legs tawny : wings 

 brown for more than half the length, gray thence to the tips ; veins 

 piceous ; poisers dull tawny, with luteous knobs. Length of the 

 body 8 lines ; of the wings 16 lines. 



a. Para. Presented by Reginald Graham, Esq. 





