LIST OF DIPTERA. 163 



Tabanus trilineatus, Latr. Humb. et Bonpland Rec. des Obs. de 

 Zool. fasc. x. 116, 117, U xi./. 6. Wied. Dipt. Exot. i. 84, 40. 

 Auss. Zweif. i. 168, 87. 



a, Brazil. Presented by Sir C. Stewart. 



b. South America. From Mr. Warwick's collection. 



Tabanus occidentalis, Linn, Syst. Nat. ii. 1001, 13. Deg. Ins. vi. 

 228, 3, t. 30, f. 3. Fabr. Ent Syst. iv. 368, 27. Syst. Antl. 

 99, 30. Wied. Dipt. Exot. i. 82, 37. Auss. Zweif. i. 171, 90. 



a. Para. Presented by Reginald Graham, Esq. 



b. Brazil. Presented by Mrs. J. P. G. Smith. 



Tabanus bicolor, Wied. Dipt. Exot. i. 96,58. Auss. Zweif. i. 188, 



115. 

 a. North America. 



Tabanus sinicus, n. s., mas. Fuscus, capite pectoreque canis, thorace 

 fulvo trivittato, abdomine rufofusco, fulvo univittato, apice pi- 

 ceo, segmentis fulvo utrinque maculatis, ventre ferrugineo fiavo 

 fasciato, apice piceo, pedibus piceis, tibiis fulvis, alis subcine- 

 reis marginibus anticis fulvis. 



Head hoary, thickly clothed beneath with pale yellow hairs : 

 eyes brassy, dark cupreous in front : palpi tawny ; sucker piceous ; 

 feelers tawny; first and second joints forming angles above, as 

 usual ; third ferruginous, slender, curved, pointed, piceous towards 

 the tip, with an angle at the base above : chest brown, clothed with 

 pale brown hairs, and having three indistinct dull tawny stripes : 

 breast hoary, thickly clothed with yellow hairs : abdomen reddish 

 brown, piceous towards the tip, clothed with yellow hairs, and having 

 a single linear tawny stripe, and also a tawny spot on each side of 

 every segment; under-side pale ferruginous; hind borders of the 

 segments yellow and fringed with yellow hairs ; three last segments 

 piceous : legs piceous ; hips and thighs clothed with yellow hairs ; 

 shanks and feet clothed with black hairs ; shanks tawny, with piceous 

 tips : wings slightly gray, tawny along the fore borders ; veins fer- 

 ruginous, piceous towards the tips ; poisers tawny, with yellow knobs. 

 Length of the body 8-J lines ; of the wings 16 lines. 



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



Tabanus amaenus, n. s., mas. Piceus, thorace fulvo trivittato, ca- 

 pite pectoreque canis, abdomine cano fasciato maculisque albis 

 trivittato, pedibus nigro-cinereis, antennis tibiisque feirugineis, 

 alis fusco-cinereis. 



Head hoary, clothed beneath with white hairs : eyes red : mouth 

 black : feelers ferruginous, black towards the tips, and having a 



