314 NORTHERN ZOOLOGY. 



DESCRIPTION. 



Body black with hoary down. Proboscis, palpi, and base of the antennae obscurely, all red : down 

 on the trunk very thin, mixed with a few black hairs : tubercles before the wings, winglets and knob 

 of the poisers, pale testaceous : legs black with the four posterior tibiae rufous : wings embrowned, 

 with darker nervures : three first segments of the abdomen rufous, each with a black dorsal spot ; 

 margin of the segments pale with a whitish fringe ; the fourth segment has a pair of round, red, 

 dorsal, spots. 



Variety B. Antenna? all black. 



This species is nearly related to T. tropicus, solstitialis, mid grcecus, but appears distinct. 



(441) 2. * Tabanus zonalis. Zoned Tabanus. 



T. (zonalis) niger, subpubescens, antennis basi, tibiis, tarsis, et femoribus apice, rufis ; ubdomine segmentis margins albidis. 

 Zoned Tabanus, black ; a little downy ; antenna? at the base, tibia? and tarsi, and thighs at the apex, red : margin of the 

 abdominal segments white. 



Length of the body 7g lines. 



Taken with the preceding species. 



DESCRIPTION. 



Body black, with a few hairs of the same colour, especially at the sides of the trunk. Antennae 

 reddish at the base ; sheath of the proboscis, and palpi, black ; haustellum testaceous : breast whitish 

 from inconspicuous down ; tubercles before the wings subferruginous : wings subtestaceous with some 

 of the nervures black ; knob of the poisers reddish : thighs black, reddish at the tip ; tibiae, and 

 tarsi, except the anterior pair which are black, as well as the apex of the anterior tibiae, red : abdo- 

 minal segments above and below margined with white decumbent down and fringe. 



CCII. Genus CHRYSOPS. Meig. 



(442) 1. Chrysops sepulchralis. Sepulchral Chrysops. 



Chrysops sepulchralis. Fab. Ent. Syst. iv, 374, 48; Syst. And. 113, 12. Meig. Dipt, ii, 74, 10. 



Length of the body 6 lines. 



Taken with the preceding. 



