434 NEW AND RARE AUSTRALIAN AGRIONID.E, 



a small tubercle on inner margin near them ; in profile, they 

 are truncate and somewhat clubbed, with an upper projec- 

 tion one-fourth of the way from the tips. Inferior 1 mm., 

 s/it/ht/i/ forcipate, slenderer when seen from above, but, in 

 j)rofile, somewhat thicker and slightly clubbed ; tips rounded. 

 (Plate xlvi., figs.11,12). 



9. Total lenrjth, 42; ahdovn-ii, 34; luiidiriiKj 25 mm. 



It differs from the male as follows: — pfcrostif/zNa 1-3 mm., 

 paler. Abdomen narrowest at base, gradually enlarging to 

 7, 8-9 very swollen, 10 short and narrow: 1, pruinescent , 

 2-6, dark metallic greenish-bronze ; 7, very slightly prui- 

 nescent ; 8, covered with whitish pruinescence ; 9, slightly 

 pruinescent; 10, black. A ppendayea Q-'2 mm., black, straight, 

 somewhat pointed. Oriposifor projecting well beyond end 

 of appendages. 



ffab. - Banks Island, Torres Straits. Four males and five 

 females, taken by Mr. H. Elgner, in February, 1910. 



Types: cf $ , Coll. Tillyard. 



This fine species differs from /. simplex Martin, in its 

 greater size, metallic colouration, and in the much longer 

 and thicker appendages of the male. The superior appen- 

 dages of I. simpler q* are very much depressed, and have 

 rounded tips, while those of /. hanl-si d* stand out straight, 

 and are truncate in profile. 



19. AusTROSTicTA FiELDi Tillyard (Plate xlvii., fig.5). 



These Proceedings, 1907, xxxii., p. 765, also Plate xlii., 

 figs. 2 and 6-9. 



The figures of aj)pendages in my former paper are too 

 small to give the details accurately. I now give much en- 

 larged drawings of the male appendages (Plate xlvi., figs. 

 13, 14.). It is necessary also to amend slightly the generic 

 description of A nsl roatirtti (lor. rit. p. 764), since the supe- 

 rior appendages, though appearing straight when examining 

 the insect, are not really so, though they cannot be called 



