182 LIST OF DIPTERA. 



hairs, tawny on each side : breast somewhat hoary, more thickl) 

 clothed with paler tawny hairs : abdomen tawny, clothed with tawny 

 hairs, having a brown spot on each side of the two last segments : 

 legs tawny ; hips, thighs and tips of feet piceous : wings slightly 

 gray, tawny towards the base (?) and along the fore borders ; veins 

 tawny, piceous towards the tips ; poisers bright tawny. Length of 

 the body 7 lines ; of the wings 12 lines. 



a. Illinois. Presented by E. Newman, Esq. 



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



115. 

 a. North America. 



Tabanus lineola, Fabr. Ent. Syst. iv. 369, 33. Syst. Anil. 102, 41. 



Coqueb. III. Icon. Ins. 112, t. 25, /. 6. Wied. Dipt. Exot. i. 



81, 36. Auss. Zweif. i. 170, 89. Harris, Ins. New Engl. 406. 

 a. Florida. Presented by E. Doubleday, Esq. 



\ 

 ■ Tabanus simulans, n. s., fem. Canus, capite fulvo subtus albo, hu- 



meris fulvis, abdomine fusco, cano trivittato fulvoque bimacu- 



lato, subtus albido-fulvo, pedibus cants, tibiis fulvis, tarsis fer- 



rugineis, protarsis nigris, alis limpidis. 



Nearly allied to T. lineola. Head pale tawny on the crown, 

 yellowish white in front, clothed with white hairs beneath: eyes 

 piceous : palpi yellowish white ; sucker black ; feelers tawny ; first 

 and second joints beset with short black hairs ; first joint yellow ; 

 third joint forming near the base an angle which bears a tuft of 

 black hairs : chest and breast hoary ; shoulders tawny : abdomen 

 brown, with three broad hoary stripes, and having a very large tawny 

 spot on each side at the base ; under- side whitish tawny, with a still 

 larger tawny spot on each side : hips and thighs hoary ; trochanters 

 ferruginous ; shanks and knees tawny, tips of the former and the 

 feet ferruginous ; fore shanks dark ferruginous, tawny at the base ; 

 fore feet black : wings colourless ; veins tawny ; poisers tawny, with 

 yellow knobs. Length of the body 5 J lines ; of the wings 10 lines. 



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



Tabanus basalis, n, s., fem. Cinereus, capite fusco subtus ferrugi- 

 neo, humeris ferrugineis, abdomine ferrugineo maculis nigris 

 univittato, pedibus ferrugineis, femoribus basi piceis, alis sub- 

 cinereis. 



Head brown, ferruginous in front and beneath, where it has a 

 white bloom and is clothed with long white hairs : eyes piceous : 

 mouth tawny ; sucker black : feelers ferruginous ,* third joint with 

 no angle : chest dark gray ; shoulders ferruginous : abdomen ferru- 



