150 LIST OF DIPTERA. 



Tab an us subvarius, n. s., fem. Fulvus, capite ferrugineo subtus 

 albo, abdomine ferrugineo , basifulvo, subtus basi maculis nigris 

 et piceis vario, pedibus fulvis, alls einereis basi mar ginib usque 

 anticis fulvis. 



Head ferruginous, white behind, and clothed with white hairs 

 beneath : eyes and mouth piceous ; the latter about half the length 

 of the chest : feelers bright tawny, dull ferruginous at the base : 

 chest dull tawny, clothed with tawny hairs ; scutcheon and breast 

 pale tawny, the latter clothed with yellowish white hairs : abdomen 

 ferruginous : first and second segments of the back tawny ; under- 

 side with the first and second segments tawny, the first has a small 

 piceous spot on each side, the second has a large black spot on each 

 side, the third and the fourth are black in the middle, ferruginous 

 along the borders : legs tawny : wings gray, tawny at the base and 

 along the fore borders ; veins ferruginous ; poisers yellow. Length 

 of the body 9 lines ; of the wings 18 lines. 



a. Venezuela. From Mr. Dyson's collection. 



Tabanus microcerus, n. s., fem. Ferrugineus, alis concoloribus vit- 

 tis nonnullis abbreviatis limpidis. 



Body ferruginous, as are also all the limbs, except the eyes and 

 the eyelets, which are piceous : wings ferruginous ; each areolet 

 including a more or less distinct colourless stripe ; veins and poi- 

 sers also ferruginous. Length of the body 8 lines ; of the wings 14 

 lines. 



Tabanus posticus, Wied. Auss. Zweif. i.152, 64. 



a. New Holland. Presented by the Haslar Hospital. 



Tabanus cinerascens, King, Nar. Survey, Coasts of Austral, ii. 467, 

 184, Wied. Auss. Zweif. ii. 647, 71. 



a. New Holland. Presented by J. Hunter, Esq. 



b. New Holland. From Mr. Children's collection. 



Tabanus conformis, n. s., fem. Ferrugineus, capite subtus albo, 

 thoracis disco fusco ferrugineoque bivittato, abdominis lateribus 

 fasciisque fulvis, apice fusco, pedibus fulvis, tar sis piceis, alis sub- 

 cinereo fulvis. 



Head ferruginous, white beneath : eyes bronze colour : palpi 

 and feelers tawny, the latter wanting except at the base : sucker 

 piceous : chest ferruginous ; its disk with a narrow ferruginous 

 stripe on each side : breast paler, with a hoary bloom, and clothed 

 with yellow hairs : abdomen ferruginous, brown at the tip ; hind 



