164 Dksmonota. 



lateralihus rlevalioribus; ciiprea, gibbo excepto,^ parnm 

 niticla. Corpus subtus siibtiliter striolatuui, ceneum, niti- 

 (lum. Pecles punctulati, similiter colorati. 



24. perforata : (Reichf.) oblongo-quaclrata , niinns convexa, 

 nijira, opaca, sublus obscnre cvanea, niticla; protlio- 

 race latiori, paullo convexo, in?ec]uali, subtilissiuie aci- 

 culato, obsoletius niultifoveolalo, breviter, profuncle 

 canaliculato, lateribus ad medium oblique ampliato, 

 dein valde lotundato; el^tris sublilissime coriaceis, rude, 

 sat crebre punciatis, iiigosis, prope scutcllum pro- 

 funde impressis, antice lcviter gibbosis. — Long. 71, 

 lat. 51 millim. 



Patria: Bolivia Dom. Guerin-Menevilt>e, Mus. Reg. Holni. 



D. metaUica certe affinis, sed minus convexa, nia- 

 gis cjuadrata, prothorace laliori, laterihus posterius ci- 

 tius rotundato, supra obsolete aciculato, postice non pun- 

 ctulato, elytris prolundius punct»tis, basi evidenter im- 

 pressis ut el colore alio, ab illa distincta. Caput sub- 

 tiliter, crcbre punctulatum , nigrum, opacum, medio 

 canaliculalum ; oculis brunneis. Antennse nigra?, extror- 

 sum fusco-pubescentes. Prothorax niger, opacus, latitu- 

 cline mcdia fcre triplo brevior, antice late, sat profunde 

 rotundato-emarginatus, angulis sub-obtusis, lateribus ul- 

 tia medium oblicjuus, ibique citius rotundatus, versus 

 basln anguslatus; postice utrinque leviter bi-sinuatus, 

 lobo medio apice rotundato, angulis retrorsum modice 

 prominulis, sub-acutis; supra paullo convcxus, obsolete 

 aciculatus, medio brevissime, profunde canaliculatus, 

 utrinque foveolis plnrimis, parum profundis insculj)tus. 

 Scutellum triangulare, lan'e, nigrum, nitidum, Elytra 

 prothorace plus c]uam duplo longiora et ejus basi non 

 laliora, nigro-cuprea , opaca, antice singulatim rotundata , 

 humeris obtuse angulatis; lateribus fere recta , apice con- 

 junctim late rotundata, supra minus convexa, subtilis- 

 simc coriacea, quam in D. metallica magis rude, minus 

 crebre punctata, transvcrsim rugosa, versus latera serie 

 duplici, antice posticeque valde abbreviata, c pun- 



