320 Mr. J. S. Baly on some 
levi, maculis nigro-piceis quinque notato, harum tribus pone 
apicem, linea transyersa conjunctis, macula intermedia ad margi- 
nem adfixa, duabusque transversis, ad basin utrinque adfixis ; 
elytris subcrebre punctatis, punctis leviter impressis, pallide 
piceo tinctis; singulis linea suturali angusta, ante apicem abbre- 
viata, punctisque tribus, uno super callum humeralem, altero infra 
basin prope suturam, tertioque prope medium disci positis, nigro- 
piceis. 
Long. 4 lin. 
Hab. Brazil, Constancia. Collected by the late Rev. H. 
Clark. 
Face elevated between the eyes, the latter large, prominent ; 
vertex and front granulose, impressed with large, irregular 
shallow punctures; encarpe large, well defined, quadrate, 
contiguous; carina linear, strongly elevated; inner orbit of 
eye bounded by a row of irregular punctures; antenne fili- 
form, third and fourth joints equal. Thorax with its sides 
broadly margined, reflexed, rounded and converging from 
base to apex, the anterior angles thickened, produced ante- 
riorly, subacute ; the hinder angles produced into a short sub- 
acute tooth; basal margin sinuate on either side, the median 
portion also sinuate in front of the scutellum ; upper surface 
nitidous, very finely strigose, lateral margin longitudinally 
concave. Scutellum trigonate, its apex subacute. Elytra 
broader than the thorax, narrowly oblong, subacutely rounded 
at the apex, the apical margin obsoletely crenulate; above 
moderately convex, impressed with round, shallow, pale pice- 
ous punctures, paler and less deeply impressed towards the 
apex, their interspaces finely granulose, faintly wrinkled ; 
each elytron with a narrow sutural line, abbreviated before the 
apex, and three small spots, nigro-piceous ; of these the first is 
placed on the upper portion of the humeral callus, the second 
on the inner disk, halfway between the callus and the suture, 
slightly lower than the former one, and the third on the 
middle of the elytron, about halfway between the suture and 
the lateral margin. 
Gidionychis rugiceps. 
@. ovata, convexa, nigra, nitida, thorace flavo-albo, linea basali, 
utrinque abbreviata, maculisque novem, 2 super marginem apica- 
lem, 4 disci vix ante, 2 vix pone medium transversim positis, 
necnon una ante basin, nigris ; elytris subopacis, margine exte- 
riore, vitta discoidali, apice ad marginem adfixa, fasciaque obliqua 
subapicali inter limbum et vittam extensa, nitide flayo-albis. 
Long. 3 lin. 
Hab. Brazil, Parana. 
