530 NEW SPECIES OF AUSTRALIAN COLEOPTERA, 



Eretes australis, Erichs. Hah. — Whitton, N.S.W. ; Ct)ol- 

 gardie, Derby, W.A. 



Cybister tripunctatus, Oliv. Hah. — Q; N.S.W.; W.A. \ 



STAPHYLINID^.. 



Tachyporus minutus, n.sp. 



Feebly shininof; head, basal half of antennae, prothorax and 

 legs yellow, elytra slightly darker than prothorax; apical half of 

 antennte and abdomen piceous-black. Prothorax and elytra 

 feebly, the abdomen more densely, clothed with ashen pubescence. 



Antennse moderate, joints 4th-7th moderately, 8th-10th widely 

 transverse, 11th slightly wider than and almost the length of two 

 preceding combined. Finely punctate. Prothorax transverse, 

 apex truncate, base rounded. Elytra longer and wider than pro- 

 thorax, sides of apex emarginate. Abdomen with five basal 

 segments strongly margined. Length to apex of elytra §, of 

 abdomen Is mm. 



/f^fii.—Galston, N.S.W. 



Diifers from rubricoUis, Macleay, by being much smaller and 

 paler, with narrower abdomen and prothorax, and wider elytra. 



Tachyporus rarus, n.sp. 



Subopaque; dark piceous, abdomen slightly darker than pro- 

 thorax and elytra, legs pale brownish testaceous, antennae and 

 apex of abdomen as prothorax. Clothed with short fine ashen 

 pubescence, abdomen rather less densely clothed and with long 

 strao-sylino; hairs at the sides. 



Antennae elongate, 10th joint not transverse, 11th not the 

 length of two preceding combined, acuminate at apex, the non- 

 acuminate portion the length of the 10th Very densely and 

 rather finely punctate; abdomen with minute squares caused Ijy 

 oblique scratches and almost concealed by pubescence. Prothorax 

 feebly transverse. Elytra scarcely wider than prothorax; along 

 middle a little shorter and at sides a little longer than prothorax. 



