20 



male, the iridescence is very sliglit, and the hind parts of the 

 body are punctured more smoothly. 



This species occurs in the Port Lincoln district, but I have 

 met with it only rarely. 



Xi. senex. sp. nov. Niger, iridescens ; antennis (clava excepta), 

 palpis, tarsisque rufis ; pedibus anticis et intermediis plus 

 minusve rufescentibus ; prothorace capillis longis albidis 

 erectis ad latera fimbriate ; clypeo nitido crasse leviter 

 punctate, antice tridentato (maris sat fortiter, femin?e vix 

 evidenter), sutura postice arcuata ; capite minus nitido 

 multo crebrius punctate ; prothorace spar si tn subtiliter 

 punctate, postice canaliculate ; elytris fortius nee crebre 

 punctatis, striis geminatis modice distinctis, pygidio 

 propygidioque sat confertim punctatis; tibiis anticis 

 fortiter tridentatis ; tarsorum posticorum articulo primo 

 secundo subsequali ; maris tarsis anticis sat fortiter incras- 

 satis ; subtus griseo et brunneo pilosus ; antennis novies 

 articulatis ; tarsis robustis. Long., 8-10 mm. 

 There are specimens of this insect in the South Australian 

 Museum ; one of them is ticketed as having been taken by 

 Mr. Tepper at Murray Bridge ; the others are unticketed. 

 Zi. gracilijpes, sp. nov. Niger, iridescens -, antennis palpis pedi- 

 busque piceis vel rufopiceis ; prothorace ad latera capillis 

 longis subtilibus, elytris capillis brevibus crassis, nigro- 

 fimbriatis ; clypeo subnitido crasse leviter punctate, antice 

 rotundato-truncato vix evidenter bisinuato, sutura postice 

 parum arcuata ; capite confertim crebrius punctate ; pro- 

 thorace sparsim subtiliter punctate, postice canaliculate ; 

 elytris fortius nee crebre punctatis, striis geminatis sat 

 distinctis ; pygidio propygidioque sat confertim punctatis, 

 hoc medio longitudinaliter biimpresso ; tibiis anticis maris 

 extus bisinuatis, parte apicali angustata producta, feminae 

 fortiter tridentatis ; tarsis omnibus gracilibus, posticorum 

 articulo primo secundo subsequali ; subtus griseo et 

 brunneo pilosus ; antennis novies articulatis. 

 This insect seems to occur near Adelaide, specimens in the 

 South Australian Museum being ticketed as having been taken 

 by Mr. Tepper at Mitcham and Belair. I have taken it in the 

 western districts of Victoria. 



The preceding three species belong to a section of Liparetrus 

 probably numerous, and so far as yet known confined to South 

 and West Australia. Its members agree in having their bodies 

 (except the antennae, palpi, and legs, which are sometimes more 

 or less reddish) of a uniform deep black, which in some lights 

 is brilliantly iridescent ; the upper surface of the head, thorax, 

 and elytra glabrous (save that those parts are surrounded with 



