284 REVISION OF THE THYNNID^E OF AUSTRALIA, I., 



pygium with parallel sides, strongly emarginate at the apex, the 

 apical angles slightly produced and the apical spine long. 

 Beneath the first segment has a longitudinal carina from the 

 base and is obliquely truncate at the apex. Black; the'mandibles, 

 apex of the clypeus, the carina between the antennae, the pro- 

 notum, tegul?e, the apical half of the first, the whole of the second 

 and third abdominal segments, and the sides of the fourth at the 

 base and the legs, except the base of . the coxse, ferruginous. 

 Wings hyaline, nervures fuscous, the costa testaceous. 



Hah. — Berwick, Yic. 



Type in Coll. Froggatt. 



Near T. basalis Sm., in colour, but the sculpture is quite 

 different. 



T. VOLATILIS Sm. 



Aelurus volaiilis Sm., Trans. Ent. Soc. London^ 1868, p.237((J). 

 Thy7inus mayri D.T., Cat. Hym. viii. HI, 1897(J^). 



Hah. — S. Australia. 



T. AGiLis Sm. 



Aelurus agilis^m., Trans. Ent. Soc.Lond.(3)ii. 5,p.390,1865(^). 

 Thynnus ivildaneri D.T., Cat. Hym. viii. 118, 1897(^). 

 Hah. — Swan River, W.A. 



I have not seen this species. Smith does not refer to the shape 

 of the hypopygiuin. 



T. FERVENS Sm. 



Thynnus fervens Sm., Cat. Hym. B.M. vii. p.58, n.l5, 1859((J). 



Thijnnus pernteri D.T., Cat. Hym. viii. 118, 1897((J). 



I have seen only one specimen of this species. It agrees well 

 with Smith's description, but the abdomen is covered with large 

 shallow punctures, not " fine, very shallow." The scutellum is 

 large and very broadly truncate at the apex. 



Hah. — Victoria. 



T. ABSTINENS, n.sp. 



(J. Head coarsely punctured, rugulose on the front, clypeus 

 densely covered with pale fulvous pubescence, produced and 

 rather narrowly truncate at the apex. The cheeks produced 



