450 INSECTA SAUNDERSIANA. 



ADDENDA. 



Fam. TABANID.E, Leach. 



Genus TAB AN US, Linn. 



Tab ANUS intereuns, Mas. 



Fulviis ; caput subtiis JIavo-album ; falpi jiavescentes ; antenna apice 

 pice a ; thorax subferriigineus, vi.v vitlatus ; pectus albidum ; alee 

 cinerecE, venis transversis fusco marginatis. 



Tawny. Head yellowish white beneath. Eyes darker and with 

 very small facets in front. Proboscis slender. Palpi yellowish. An- 

 tennae piceous towards the tips ; third joint armed with a long curved 

 horn. Thorax somewhat ferruginous, hardly striped. Pectus whitish. 

 Abdomen not longer than the thorax. Femora with white hairs. Wings 

 gray ; stigma brown ; transverse veins clouded with brown ; veins black, 

 ferruginous in front and towards the base ; fore fork of the cubital vein 

 simple, forming near the base an obtuse angle. Length of the body 

 5 lines ; of the wings 11 lines. 



Rio Grande. 



