— 441 — 



CentrinilS*politliä m. C. signi F. affinis; subovatus, 

 niger, nitidus, subtus thorace sparsim, sterno abdomineque 

 creberrime cribrato-punctulatis; rostro nitido, basi supra 

 subtilissime, lateribus leviter striato- punctulatis; capite 

 convexo, subnitido, sparsim subtilissime punctulato, antice 

 vix impresso; oculis non prominulis; thorace longitudine 

 et latitudine aequali, antice constricto, lateribus antrorsum 

 parum angustatis, antice medium fortiter rotuudatis, an- 

 gulis posticis subacutis; basi utrinque et ad scutellum ex- 

 cisis, media lobata; polito, ante basin transversim punctato- 

 impresso, punctis minimis valde sparsim dispositis; elytris 

 brevibus, suboblongis, postice magis angustatis, humeris 

 prominulis; striatis, striis punctulatis, 3, 4, 5, 8 apice ab- 

 breviatis, interstitiis deplanatis, politis, 1-3 subtiliter uni- 

 seriatim punctulatis, reliquis sparsim punctulato-piliferis; 

 femoribus inermibus. 



Long. 2V 4 — 2Vjmm, lat. IV4— 1V*»m». 

 Habitat in Nova-Granata, Am. austr. 



Centrimis *semiflavus m. C. signi F. affinis; sub- 

 ovatus, niger, supra nitidus, subtus punctulatus, punctis 

 flavo-setiferis, setis ad latera mesosterni densioribus; rostro 

 supra polito, subtilissime, ad basin utrinque evidenter-pun- 

 ctulatis, medio leviter ampliato, antice sanguineo; thorace 

 longitudine et latitudine aequali, antice constricto, lateri- 

 bus antrorsum parum angustatis, ante medium fortiter ro- 

 tundatis, angulis posticis obtusis, basi media lobato; polito, 

 disco anticeque disperse, lateribus utrinque creberrime, 

 basi dense punctato-piliferis, ante basin leviter transversim 

 impresso; elytris postice valde attenuatis, humeris profunde 

 prominulis, striatis, striis punctulatis, 3—8 apice abbrevia- 

 tis, ad marginem posticis rugulosis, interstitiis deplanatis, 

 politis, vix visibile disperse piliferis, tertio basi flavo-setoso- 

 maculatis; femoribus inermibus; tarsis sanguineis. 



Long. 3mm, lat. iy 3 mm. 



Habitat in Nova-Granata, Am. austr. 



II 24 



