328 ADDENDA. 



of the cubital vein simple, forming an obtuse and somewhat 

 rounded angle. Halteres black, white towards the base. Length 

 of the body 4 lines ; of the wings 8 lines. 



a. Santarem, Brazil. From Mr. Bates' collection. 



Page 236. 



Tabanus latipes. 



Var. ? Fern, Bright testaceous. Head and thorax covered 

 with testaceous tomentum and down. Head with testaceous hairs 

 beneath ; callus black, shining, short and transverse. Eyes with 

 very small facets. Proboscis black. Antennas black, short and 

 slender; third joint with a very small obtuse tooth. Thorax with 

 two patches of white down on each side, one at the base of the 

 wing, the other behind. Abdomen more tawny above than the tho- 

 rax ; under side paler testaceous, with a black stripe along each 

 side, and a large yellow spot on each side at the base ; a white band 

 on the hind border of each segment. Legs black ; fore tibiae much 

 dilated. Wings blackish brown, grayish along the hind border, lim- 

 pid, with the exception of the costa, for more than one-third of the 

 length from the tips ; a limpid dot near the base, and a large sub- 

 quadrate limpid spot in the disk before the middle ; fore branch of 

 the cubital vein simple, not angular. 



a. Port Natal. From Mr. Plant's collection. 



T. fenestratus, p. 264, may be a variety of this species. 



Page 238. 



Tabanus orientis. 



a. Sikkim Himalaya, North India. From Dr. Hooker's collection. 



Page 249. 

 Tabanus explicates. 



Fcem. Niger; caput testaceo tomentosum ; antenna parva?, arti^ 

 cutis supra dentatis ; pectus cinereum ; segmentorum abdomi' 

 nalium margines postici supra fulvi, subtus testacei ; tibia? 

 alba?, apice nigra? ; ales cinerea?, basi et apud costam lurida?. 



Fern. Black. Head with a long slender black shining callus 

 between the eyes, covered elsewhere with testaceous tomentum ; a 



