160 Dksmosota. 



seriatitn, ininus profunde, dorso valde remote pun- 

 ctatis, antice gibbosis. — Long. 8, lat. 6^^ millim. 



Polychalca crihripennis. Dej. Cat. ed. 3, p. 368. 



Var. a. supra nigro-ceerulea. 



Patria: Bahia, Mus. Re<j. Holm. 



D. metallica nonnihil major, praesertim latior; pro- 

 thorace magis depresso, remote punctulato, obsoletius 

 foveolato, elytris remote, subtiliter, sub-seriatim punctu- 

 latis, dorso antico evidenter gibbosis, ut et colore pa- 

 ginoe inferioris, ab illa facile distincta. Caput svibtiliter, 

 crebre rugoso-punctatum , viridi-aeneum, parum nitidum, 

 medio longitudinaliter canaliculatum; ocubs ovatis, mo- 

 dice convexis, dilute brunneis. Antennoe viridi-aenese vel 

 viridi-coerulescentes, extrorsum fusco-pubescentes. Pro- 

 thorax cupreus, parum nitidus, latitudine postica plus 

 duplo brevior, apice late, sed minus profunde rotun- 

 dato-emarginatus, angulis obtusis, lateribus tenue refle- 

 xo-marginatus, ultra medium late , dein citius rotunda- 

 tusj postice utrinque leviter bi-sinuatus, angulis sub-re- 

 ctis; supra sub-depressus, ina?qualis, subtilissime, sat 

 crebre punctulatus, dorso canalicula brevi, sat profunda 

 foveolisque utrinque binis insculptus, Scutellum me- 

 diocre, triangulare, impressum, cupreum vel oeneum, 

 nitidum. Elytra sub-quadrata, prolhorace triplo longiora 

 et ejus basi non latiora, antice singulatiin late rotun- 

 data , humeris obtusis; lateribus apicem versus perparum 

 angustata, apice conjunctim late rotundata, supra proe- 

 sertim in dorso antico convexa, ibique evidenter gib- 

 bosa, subtilissime coriacea , punctis mediocribus, remotis, 

 proesertim in dorso antico distantibus, sub-seriatis im- 

 pressa; cuprea, opaca, gibbo nltido. Corpus subtus ob- 

 solete punctulatum , coeruleum, nitidum. Pedes remote 

 punctulati, caerulei, nitidi; tarsis dilatatis, subtas griseo- 

 spongiosis. 



21. intermedia: sub-ovata, convexa, supra obscure cuprea, 

 opaca, sublus caerulea, magis nitida; prothorace pa- 



ulio 



