590 Miss G. RlcarJo — A Revision of 



and third segments^ and in the male at the apex. Legs 

 fulvous, the same colour as the abdomen ; the coxje black, 

 the knees, apices of tibiae, and the last joint of the tarsi 

 nsually brown. Wings yellow at base and on fore borders 

 as far as the apex of the first basal cell, the centre of which 

 and the apical half of the second basal cell with the 

 apex of the wing, almost the whole of the discal cell and 

 hind border of wing greyish brown, veins yellow on the 

 yellow part, brown on the darker parts ; all posterior cells 

 and anal cell open, but the first and fourth posterior slightly 

 narrowed at opening, and anal cell very narrow. Halteres 

 yellowish. 



Rachiopogon, gen. no v. 



Distinguished from other genera in the division with 

 curved spine to fore tibise, by the formation of third joint of 

 antenna, which is almost twice as long as the first two joints 

 together, with no style to its blunt apex but notched on its 

 upper side. Moustache confined to oral opening. Thorax 

 and scuteUum with bristles. Legs bare, armed with bristles. 

 Wings with posterior cells open, but the fourth considerably 

 narrower at border; the first vein from the disoal cell bulges 

 on its basal half into the first posterior cell. 



Formed for one species originally described from Moreton 

 Bay, N. Australia, in Mr. Gibbon's Coll. 



Bachiopogon grantii, Newman. 



Trans. Eut. Soc. London, n. ser. iv. p. o7 \_'Dasypogon'] (1857). 



The species is represented in Brit. ]\Ius. Coll. bv one 

 female from S. Queensland {Dr. T. L. Bancroft), *1908. 

 Newman's type is not in the Brit. Mus. Coll. 



A handsome black fly, with fulvous wings and anterior and 

 middle tibite on their basal half fulvous. 



Length 20 mm. 



Face slightly raised at oral opening, covered with golden- 

 yellow tomentum, greyer at the sides, ISIoustache composed 

 of yellow bristles placed round the oral opening. Palpi 

 black, with strong black bristles at apex and with black- 

 hairs. Proboscis longer. Beard black. Antenna blackish, 

 the first joint of antennaj same colour as face but darker ; 

 the first two joints short, with a few black hairs, the 

 third cylindrical, the notch at apex is best seen from 

 behind, armed with a very short blunt spine. Thorax black, 

 with about five black bristles at sides, beginning a short 

 distance below shoulders. Scutdlum black, Mith two bristles. 



