478 Mr. M. Jacoby on 



Mas. Head rather closely punctured, reddish fulvous, clypeus 

 siuiilarly punctured, paljji and antenna} black, the joints rather 

 strongly widened (tlie apical two wanting) ; thorax nearly twice as 

 broad as long, the angles acute, produced, the sides distinctly 

 bidentate at the middle, crowded with round punctures, the middle 

 of the disc much more sparingly punctured, scutellum black; elytra 

 very dark violaceous, strongly and extremely closely punctured, the 

 interstices everywhere reticulate, especially near the apex, the 

 sutnre at the latter place accompanied l)y two more or less distinct 

 costs; ; below and the legs black, the first joint of the posterior tarsi as 

 long as the following two joints together, the flanks of the thorax 

 closely punctured, prosternum strongly widened at the Ijase. 



Bah. Peru. 



The colour of the head and thorax and that of the elytra 

 in connection Avith the porous appearance of the latter 

 parts will easily distinguish this species. 



Colasins muUicustata, sp. n. 



Black, the head and thorax metallic cupreous, distinctly punctiired, 

 sides of the latter biangulate, elytra Idack, very strongly longitudi- 

 nally costate, the interstices strongly punctured. 



Length 6 millim. 



Fern. Head remotely but strongly punctured, reddish cupreous, 

 margined with metallic green, clypeus transversely subquadrate, 

 deeply punctured at the base, its anterior edge bidentate, labrum 

 black, palpi fulvous, the apical joint black, antennae extending 

 slightly beyond the middle of the elytra, Ijlack, the basal four joints 

 fulvous; thorax rather more than twice as broad as long, rather 

 convex, the sides biangulate at the middle, the surface strongly and 

 closely punctured at the sides, more finely and remotely so at the 

 middle, bright metallic cupreous; elytra wdth eight very acutely 

 raised longitudinal costaj on each, transversely depressed below the 

 base, the legs dark piceous. 



Hob. Brazil, St. Paulo. 



The cupreous colour of the head and thorax, the black 

 elytra and their strongly raised costai will distinguish this 

 species at first sight. I only know a single, apparently 

 female, specimen, contained in my collection. 



Golaspis mridi]junctata, sp. n. 

 Below ajueoiTS, above obscure fuscous, the interior of the punctures 

 green or bluish, antennse and femora fulvous, tibiaj and tarsi flavous, 



