Genus 338. — RHYSSOMATÜS. ^71 



* r. R. PoLYCOccrs. Schh. ^ 



Sub-ovatui, alcr, opacns, ociäh sub-coiiütjuis, supia valde incsqualibus; 

 tUoracc slrigis obsoletioribus , inttintplis , ailsperso, aiitice in mcdio 

 carinato, tuberculis (diquot in disco ilevatis ; elytris obsolete irreijn- 

 lariter sub-stiiatis , interstllüs altern s uerrucis inajoribus , oblonrjis, 

 seriaüm obsitis, cjvunulis niyisqiie teniere inteijectis ; aiitennis, tarsis 

 suiuraque postice obscure fernujineis. 



Habital in Brasilia. A Dom. Com. Ma.\nerheim et Dom. Chevro- 

 LAT ad describendum benevole missiis. Mus. Sc;5H. 



Balanino nucum mac,nitudine seqnalls vel paulo robustior. Ca- 

 put rotundatum, atrum , rugosum , fronte sub-depressa ; oculi 

 clonyati , transversi, mininie prominuli , ni[;ri ; rostrum capite cum 

 tboiace ferelongius, arcuatuiii, lineare, rugoso-punctatum , ni- 

 gium. Antennes tboracis medium atüuguut, obscure ferrugineai , 

 clava ovata, acuminata , flavtscenti-sericea. Thorax dimidio latilu- 

 dini.s posticaj aliquantulum brevior, anierius valde aiigustatus, 

 apice supra parum productus, margine in medio obsolete, ad 

 laiera utrintjue profundius sinuato , intra apicem constriclus, 

 lateribus sat ampliatis, postice sub-marginatus, bi-sinuatus , an- 

 gulis lateralibus oblique prominulis; supra parum convexus, ater, 

 opacus, squamulis minutis, flavescentibus, parce adspersus, anlice 

 transversaliter imprcssus, punctis plurimis in impressione irregu- 

 lariter excavatis, in medio casina longiludinaii, postice abbreviata, 

 elevata, rugis duabus brcvibus , parallelis, utrinque ad marginem 

 anticum ad|;.centibus, in dorso posterius tuberculis cjuatuor, qua- 

 drangulariter, et versus latera utrinque duobus aliis, transversim 

 dispositis, omnibus obtusis, siiperficie reliqua granulis stiigisc[ue 

 interruptis, irregulaiiter , crcbre, obsita. Scutellum sub-triangu- 

 iare, atrum, parce flavescenti-squamosum. Elytra antice tboracis 

 basi vix latiora , bumeris vaide elevatis, antrorsum prominulis; 

 lateribus sat ampliata, margine ante medium inflexo , apice con- 

 junctim sub-rotundata ; supra anterius modice convexa, posterius 

 sub-gibba, valde irre(;ulariter remote sub-striata, interstitiis alter- 

 nis verrucis $-7 oblongis, validis, rugoso-punclatis, dorsalibus ma- 

 joribus, seriatim obsitis, granulis rugisque undique temere inter- 

 jectis; tota atra. opaca, squamulis uti tboiax adspersa, sutura 

 postice rufesceiito. Corpus subtus uigruni , crebre punctatum , 

 pectore mei'io loveolalo, liiidique parce flavo-squamosi;m. Pedcs 



