TRAVAUX INDITS. 417 



transversim pilosis; elytris elongatis, augulis valde promiaulis, Ia- 

 teribus postice angustatis, profuDdestriatis, striis punctatis, intersti- 

 tiis planis, polilis, subseriatim-punctato-piliferis, priuiis suluralibus 

 integris , 3 ad basin 2-4 postice minuto-deuse albo-setiferis; Femo- 

 ribus inermibus. Long. 3,1/2, 3,3/4; lat. 1,1/3, 1,1/2 mill. 



Habitat in Nova-Granata, Am. austr. 



Centrinus seniieogtatus. Oblongus, niger, subnitidus, foveo- 

 lato-punctulatus, puncti? setiferis, setis brevibus; rslro lougitudi- 

 ualiter profonde striato-punctulato, medio vix ampliato et longiludi- 

 nuliter impresso, antice nitido subpuoetato, basi subconstrieto; ca- 

 pite convexo, subopaco, autiee vix sparsim punctulato; oculis non 

 promiaulis; thorace subquadrato, antice basique truncato, augulis 

 posticis lateribusque post mdium rrctis, aute mdium rotundatis, 

 disco remote lateribus creberrime cribrato- punctatis, breviter setife- 

 ris ; linea mdia longitudinali laevi. subcarinata ; elytris breviter ova- 

 tis, basi truncata leviter impressa, humeris promiuulis; profuude 

 striatis, striis punctatis, insterstitiis.elevatis, deplanatis, postice an- 

 guste-cariuatis, seriatim subfoveolato-setiferis, uono utriuque in- 

 terstitio deflexo stria marginali profuude impressa, postice curvata; 

 femoribus anticis dentatis; tarsis sanguineis. Long. 3,1/2 ; lat. 

 1,2/3 mill. 



Habitat in Nova-Granata, Am. austr. 



Centrinus politus. C. signi F. affinis; subovatus, niger, nitidus, 

 subtus thorace sparsim, sterno abdomineque creberrime cribrato- 

 puuctulatis; rostro nitido, basi supra subtilissime, lateribus leviter 

 striato-puuctulatis ; capite convexo, subnitido, sparsim subtilissime 

 punctulato, antice vix impresso; oculis non prominulis; Uwrace\oa- 

 gitudine et latitudine aequali, antice constricto, lateribus antrorsum 

 parum augustatis, antice mdium fortiter rotundatis, augulis posti- 

 cis subacutis; basi utriuque et ad scutellum excisis, mdia lobata ; 

 polito, aute basin transversim punctato-impresso, punctis minimis 

 valde sparsim dispositis; elytris brevibus, suboblongis, postice magis 

 angustatis, bumeris prominulis; striatis, striis puuctulatis, 3, 4, 5, 8 

 apice abbreviatis, iuterstitiis deplatiatis, politis, 1-3 subliliter unise- 

 riatim punctulatis, reliquis sparsim puuctulato-piliferis; femoribus 

 inermibus. Long. 2,1/4, 2,1/2; lat. 1,1/4, 1,1/2 mill. 



Habitat in Nova-Granata, Am. austr. 



Centrinus semiflavus. C. signi F. affinis; subovatus, niger, su- 

 pra nitidus, subtus punctulatus, punctis flavo-setiferis, setis ad la- 

 2 e srie. T. xvui. Anne 18(36. 28 



