230 MESOMPHALrA. 



et basi ejus parum latiora, antice singulatim leviter si- 

 nuata , humeris redexis, rotundatis; pone basin fere ad 

 medium subito oblique amplialn, ibique obtuse angula- 

 riter dilatala, apicem versus citius attenuata, apice con- 

 junctiin sub-acuminata, supra praisertitn dorso antico con- 

 vexa, ibique in gibbum validum, valde elevatum, nir- 

 nus acutum excurrentia; niediocriter, sat crebre pun- 

 ctata, obsolete, remote rugulosa , nigra, opaca, pube bre- 

 vissima, albida parcissime adspersa; margine proesertim 

 in nicdio late explanato, evidenter rugoso, remotius 

 punctulato. Corpus subtus subtiliter punctulatum, ni- 

 grum , sub-nitidum. Pedes obsolete punctulati, similiteir 

 colorati. 



10. pyramidata : (Reicue) rotundcilii, convexa, nigra, opaca; 

 prothorace subtiliter, sub-remote punctulato, medio 

 tenuiter canaliculato, lateribus antice obliquo, pone 

 mcdiurn sidi-rotundatoj elytris sat crebre, fortiter pun- 

 ctatis, ante medium ad suturam valde conico-gibbosis, 

 singulo ante medium in margine macula magna, ro- 

 tunda, sanguinea. — Long. 15, lat. 13 millim. 



Patria: Columbia, Mus. Dotn. Reiche. 



Species distinctissima, elytris ante medium ad su- 

 turain alte conico-gibbosis, a conspeciebus facile distincta. 

 Caput subtiliter, crebre pnnctulatum, nigrum, opacum , 

 medio canaliculatum 5 oculis ovatis, modice convexis, brun- 

 neis. Antennoe nigra?, basi nitidie, glabroe, extrorsum pu- 

 bescentes. Prothorax latiludine postica fere duplo bre- 

 vior, apice vix emarginatus, lateribus ultra niedium sen- 

 sim oblique ampliatis, dein rotundatis, versus basin non- 

 nihil angustatis; postice utrinque sub-truncatiis , lobo ine- 

 dio retrorsum parum producto, apice truncato, angulis 

 ^sub-rectis; subtiliter, sub-remote punctulatus, utrinque 

 in medio confertim sub-rugulosus, longitudinaliter, te- 

 nuiter canaliculatus, dorso paullo convexus, niger, opa- 

 cus, extrorsum late explanatus, leviter impressus. Scu- 

 tellum triangulare, sub-loeve, nigrum, opacum. Elytra 

 prothorace triplo longiora et basi ejus dimidio laliora. 



