5-2 AUSTRALIAN BOMlJYLIID.f: AND OYP.TID^ (dIPTERA), ' 



have the abdomen with the apex silvery, and on this 

 account the probable position would be under the 

 genus Argyramoeba, many species of which have 

 this character. 



Anthrax obsciira, Macquart, Dipt. Exot., suppl. 1, 1846, 

 p. 112. (Australia.) 



Anthrax angularis, Thomson, Eugenies Resa, Dipt., 1868, 

 p. 482. (New South Wales.) 



LOMATIINJE. 

 Genus Lomatia, Meigen. (PI. XVII., fig. 10.) 

 Loviatia, Meigen, System. Beschreib., iii., 1822. 



Lomatia sohicula, Walker. 

 Anthrax sobicnJa, Walker, Trans. Ent. Soc. Lond., iv., 1857, 



p. 144. 

 Lomatia australis, Schiner, Novara Reise, Dipt., 1868, 



p. 129. 

 Synonym.y. — Two specimens in Dr. Ferguson's collec- 

 tion, numbered 119 and 241, were identified by White as 

 Anthrax sobicula, Walker, and were evidently compared with 

 the type. Schiner's description appears to conform to the 

 same species, which is represented by specimens from Sydney 

 In most collections. 



Lomatia (?) subsenex, Walker. 

 Anthrax subsenex, Walker, Trans. Ent. Soc. Lond., iv., 1857, 

 p. 144. 

 Status. — Judging from the comparison of descriptions 

 between Walker's two species, it appears certain that they 

 refer to the same genus, and, therefore, if Anthrax sobicula 

 is referred to the genus Lomatia, it is probable that Anthrax 

 subsenex belongs to the same group. 



Genus Oncodocera, Osten-Sacken. (PI. XVII., fig. 11.) 

 Ogcodocera, Macquart, Dipt. Exot., ii. (1), 1840, p. 83. 

 Oncodocera, Osten-Sacken, Bull. U.S. Stat. Geol. Surv. of 

 Territories (Heyden), iii., 1877, p. 247. 

 Description. — Six species of Lomatiinse do not seem to 

 conform to the characters of any genus better than those of 

 Oncodocera, as illustrated by Williston in North American 

 Diptera, 3rd edition, 1908, fig. 82. The following characters, 

 taken from specimens of the group so far known, will help 

 to isolate them, from their nearest allies : — 



