BY FRANK H. TAYLOR. 63 



paler in centre; first two joints of an tenure reddish, with grey 

 tomentum and black pubescence, third yellowish-brown, apical 

 annuli darker, base with a small, distinct tooth; palpi slender, 

 basal half of second joint slightly swollen, yellowish, tomentum 

 grey, pubescence black, very sparse. 



Thorax reddish-brown, with two, narrow, grey stripes, pubes- 

 cence pale, brown laterally scutellum reddish-brown, pubescence 

 pale; pleurae reddish, with grey tomentum and pubescence. 



Abdomen reddish-brown, pubescence brown, brown and black 

 on apical segment, segmentations and pubescence pale, segments 

 one to six with median, apical, pale, triangular spots, with pale 

 pubescence: venter blackish-brown, tomentum, pubescence, and 

 segmentations pale. 



Leys reddish, coxre with grey tomentum, tarsi blackish, pubes- 

 cence on femora and tibiae grey, black on tarsi. 



Wings clear; veins brown; stigma brownish; no appendix. 



Hab. — Q.: Stradbroke Tsland (H. Hacker). 



A species strikingly similar to Silvius frontalis Ricardo, in 

 general appearance. It is most nearly related to T. iownsvilli 

 Ricardo, but is easily separated from it by the thorax, abdomen, 

 and legs. 



Type in (Queensland Museum; par a type in Institute ColJ. 



Tabanus townsvilli Ricardo. 



Ann. Mag. Nat. Hist., (8), xv., p. 281 (1915). 



Four specimens appear to be of this species, and a fifth is 

 included till further material is. available. They all differ more 

 or less from the description, but, on the whole, appear to belong 

 to this species. 



Hab. — Q.: Brisbane, Stradbroke Island (H. Hacker). 



Group x. Species with the abdomen unicolorous, or almost so, 

 sometimes darker at apex. 



Tabanus spatiosus Ricardo. 

 Ann. Mag. Nat. Hist., (8), xv., p.288 (1915). 

 Hab. -Q.: Stradbroke Island (H. Hacker). 

 Represented by a single specimen, which agrees well with the 

 description, but the abdomen is very greasy. 



