287 



Upper surface glabrous and very nitid. Head without any 

 transverse carinse, the clypeal suture just perceptibly elevated ; 

 clypeus scarcely sinuate in the middle of the front, its surface 

 somewhat strongly and closely punctulate and evidently trans- 

 versely wrinkled; the rest of the head punctured not much 

 differently from the clypeus but gradually less closely hindward 

 and with smaller punctures intermingled ; the eyes convex, 

 scarcely granulate and not very narrow ; pronotum extremely 

 finely and sparsely punctulate, without inequality except the 

 sublateral fovese, its base with a fairly distinct pseudo-margin, 

 the sides not sinuate in front of the middle (the right side is very 

 slightly so, but I think this is abnormal) and only feebly sinuate 

 behind, front angles moderately produced, hind angles scarcely 

 defined ; elytra somewhat strongly crenulate-striate, the crenu- 

 lations decidedly punctiform and wider than the strise, interstices 

 decidedly convex and extremely finely punctulate (a little more 

 distinctly towatds the lateral margins); pygidium and meta- 

 sternum strongly punctulate , claws like those of O. Ri7igi, Har. 

 The under-surface is almost glabrous, but this may be due to 

 abrasiof. A specimen in the S. Australian Museum examined 

 since the above note was written seems to be the female of this 

 species. It differs from the male chiefly by its strongly cariniform 

 clypeal suture. 



O. queenslandicus, sp. nov. Minus latus ; supra glaber ; subtus 

 sparsissime hirtus ; subnitidus, piceus vel niger, antennis 

 palpisque testaceis, tarsis (tibiisque plus minusve) rufescenti- 

 bus ; clypeo sat fortiter subrugulose punctulato et trans- 

 versim rugato antice rotundato vel vix sinuato, sutura 

 clypeali carinata, carina frontali bene definita antrorsum 

 arcuata; capite inter carinas subgrosse (pone carinam 

 frontalem multo magis subtiliter) punctulato ; oculis con- 

 vexis, minus angustis, vix perspicue granulatis ; prothorace 

 quam longiori ut 18 ad 11 latiori, supra sequali (foveis sub- 

 lateralibus exceptis), subtilius sat crebre (latera versus antice 

 magis crebre) punctulato, lateribus ante medium haud (pone 

 medium leviter) sinuatis, angulis anticis subacutis posticis 

 fere nullis, basi angustissime subplanata ; elytris sat leviter 

 (nee angustissime) crenulato-striatis, interstitiis leviter vel 

 vix convexis, subtiliter coriaceis leviter subtilissime sparsim 

 (latera versus paullo magis perspicue) punctulatis ; pygidio 

 coriaceo sat crebre minus subtiliter punctulato; metasterno 

 nitido subtiliter punctulato. 

 Maris quam feminse tibiis antieis longioribus. -Long., 3^ 1.; 



lat., 1^% 1. 

 The flattened narrow strip across the base of the pronotum is 

 €arcely noticeable except when looked at obliquely from behind, 



