South American Uumoljndc'e. 475 



Colaspis hatcsi, sp. n. 



Below ferruginous, antennce (the basal joints excepted) black, 

 above metallic violaceous, thorax biangulate, remotely and strongly 

 punctured, biimpressed, elytra remotely, subgemiuate puuctate- 

 striate. 



Length 7 millim. 



Fern. Of broadly ovate, convex shape, the head with a deep longi- 

 tudinal central groove, very strongly punctured between the eyes, the 

 vertex nearly impunctate, clypeus transverse, closely punctured at 

 the middle, labrum and palpi fulvous, antennoe rather sliort and 

 stout, black, the lower four joints fulvous, terminal joints slightly 

 widened ; thorax twice as broad as long, the sides strongly rounded, 

 biangulate at the middle, the upper angle rather obsolete, the surface 

 with a deep fovea at each side, very sparingly punctured at the 

 middle of the disc, more strongly and closely so at the sides, scutellum 

 transverse, impunctate; elytra with a feeble depression below the 

 base, not more strongly jjunctured than the thorax, the punctures 

 arranged in distant, somewhat geminate, rows, the punctures them- 

 selves likewise widely separated ; below and the legs ferruginous, 

 the breast witli a purjjlish gloss. 



Ifah. Amazons. 



From oilier similarly coloured species, the present one 

 is separated by the black terminal joints of the antennse, 

 the remote j^nnctuation of the thorax and of the elytra, in 

 connection with the colour of the underside. The male is 

 unknown to me. 



Cohispis imitans, sp, n. 



Mas. Metallic greenish Ijelow, above dark violaceous, the basal and 

 apical joints of the antenna) and the legs flavous, head and thorax 

 greenish, finely punctured, sides of the latter angulate at the middle, 

 elytra finely punctured in regular rows, the interstices flat. 



Fern. Much larger, the thorax with two fovese laterally. 



Length 10 millim. 



Mas. Head very closely and distinctly punctured, with a central 

 longitudinal groove, the clypeus likewise very closely punctate, labrum 

 fulvous, palpi flavous, antennse extending below the middle of the 

 elytra, black, the basal four and the apical two joints flavous ; thorax 

 scarcely twice as broad as long, the lateral margins angulate at the 

 middle, the angles acute, dentiform, the surface remotely and dis- 

 tinctly but not strongly punctured, of dark greenish colour, the sides 

 sometimes impressed with a round fovea, scutellum greenish, smooth ; 



