198 0)1 Additions to the Australian OxxroxiSiom^ze.. 



of the epipleui-a, abruptly constricted, and the scales at the 

 base of the elytra concolorous with and closely fixed to the 

 derm, the part, except under a strong lens, appearing denuded. 



Poropterus varicosus. 



P. ovatus, convexus, niger, capite rostroque umbrino-squamosis ; 

 funiculi artieulo secundo quam primo duplo longiore, cajteris ro- 

 tundatis vel submoniliformibus ; prothorace apice paulo producto, 

 utriuque manifeste rotuudato, tuberculis sex inconspicuis notato — 

 duobus apicalibus, quatuor in medio transversim sitis ; elytris 

 pone medium latioribus, singulis interrupte bicarinato-faseiculatis, 

 apice late rotimdatis, epipleui-is baud determinatis ; tibiis brevibus, 

 validis, manifeste flexuosis. Long. 5 lin. 



Hah. Illawarra. 



Much the same kind of outline as the two preceding, but 

 more convex, the flanks of the elytra not marked off by a 

 carina, shorter and stouter tibiaj, &c. 



Poropterus oniscus. 



P. ovatus, sat fortiter convexus, niger, capite rostroque squamis um- 

 brinis tectus ; rostro valido ; scapo breviusculo, ante medium rostri 

 inserto ; funiculi artieulo secundo quam primo sesquilongiore ; 

 oculis fortiter granulatis ; prothorace antice modice constricto, apice 

 paulo angustiore,vix producto, utriuque rotuudato, tuberculis fasci- 

 culatis sex notato — duobus apicalibus, quatuor trausversis ; elytris 

 ovaUbus, in medio quam prothorace multo latioribus, seriatim punc- 

 tatis, interspatiis subtuberculiformibus, squamis majoribus erectis 

 adspersis, basi paucifasciculatis, apice rotundatis ; segmentis duobus 

 basalibus abdominis valde ampliatis ; tibiis breviusculis, flexuosis. 

 Long. 4 lin. 



Hah. Queensland. 



The antennas in nearly all the species of Poropterus are in- 

 serted not far from the tip of the rostrum ; in this one the 

 insertion is nearer the middle. 



Poropterus tumulosus. 



P. ovatus, modice convexus, fuscus, omnino squamis pallide um- 

 brinis dense tectus ; rostro valido ; funiculo articuhs duobus 

 basalibus hand elongatis, primo quam secundo fere a3quali, cajteris 

 trausversis ; clava ovali ; ocuHs tenuissime granulatis ; prothorace 

 antice multo angustiore, apice producto, crebre punctato, in medio 

 lougitudinaHter excavate, tuberculis duodecim instructo — duobus 

 apicalibus, decem in seriebus duabus trausversis sitis ; elytris 

 breviter ovatis, pone medium prothorace multo latioribus, postice 

 fortiter declivibus, singulis tuberculis validis circa viginti sub- 

 seriatim positis, apicibus rotundatis ; segmentis duobus basahbus 



