142 REVISION OF THE THYNNID.E OF AUSTRALIA, II., 



almost smooth; first segment with a raised curved mark on each 

 side before apex; second segment with three transverse carinse 

 and the apical margin slightly raised. Pygidium very narrow, 

 deflexed and very slightly widened to apex. 



Hab. — N.W. Coast of Australia. 



The type is in very poor condition. 



69. T. (Aeolothynnus) sann^e, n.sp. 



<J. Clypeus broad, not very much produced, broadly subtruncate 

 at apex, strongly convex, coarsely punctured and with an obscure 

 carina from base to apex. Thorax and median segment closely 

 and finely punctured; anterior margin of pronotum straight, and 

 not elevated; scutellum sparsely punctured, with a depressed 

 row of deep punctures at its base; median segment rounded and 

 narrowed to apex. Abdomen shining, the segments very finely 

 and shallowly punctured at base, almost smooth at apex; first 

 segment obliquely truncate anteriorly, with a median sulcus from 

 base not reaching apex; segments 2-5 strongly constricted at 

 base, apical margin very narrowly depressed, leaving a slightly 

 raised curved mark, emarginate in middle, before apex; sixth 

 segment at apex and epipygium rugose, epipygium broadly trun- 

 cate at apex, the apical angles prominent. Ventral segments 2-6 

 depressed at apex, leaving a carina very broadly emarginate pos- 

 teriorly before apex, the carina on third and fourth segments 

 forming a small tubercle at each of the apical angles; produced 

 on the sixth segment into a long acute spine and on the sixth 

 into a minute spine on each side. Hypopygium subtruncate at 

 apex, apical angles slightly produced, with a short apical spine. 

 Black, with grey pubescence; margin and sides of clypeus, 

 margins of pronotum narrowly interrupted in centre of anterior 

 margin, a narrow longitudinal mark on disc of mesonotum pos- 

 teriorly, tegulae, a small central spot on scutellum and the margin 

 at the sides, a transverse line on postscutellum, a small spot on 

 each side of first abdominal segment and a narrow transverse 

 band on each side of the four following segments creamy-white; 

 fore tibiae and all the tarsi fusco-ferruginous. Wings hyaline, 



