424 Memoirs on the Coleoptera 



ened, deeply and coarsely excavated posteriorly, the club small and not 

 differentiated; prothorax evenly convex in profile, fully one-half wider 

 than long, the sides strongly arcuate, straighter but not parallel basally, the 

 basal lobe extremely short and feeble, the tubulation oblique, two-fifths as 

 wide as the base; punctures coarse, deep and very conspicuous though well 

 separated broadly toward the sides, minute and sparse medially, not much 

 more evident on the evenly rounded basal lobe; scutellum transversely 

 ogival; elytra broadly, obtusely parabolic, with large but not very prominent 

 humeral swellings; striae fine but sharp, very finely, remotely punctate, the 

 sutural similar, though a little more strongly punctured basally; pygidium 

 unusually small, sparsely, deeply punctate; legs shorter than usual, the 

 femora very coarsely, rather densely punctate; prosternal lobe convex, not 

 at all impressed; male abdomen deeply impressed at base, the fifth segment 

 with a moderate deep rounded pubescent fovea. Length 4.5 mm.; width 

 2.8 mm. Brazil (Rio de Janeiro) puncticollis n. sp. 



Body rather more oblong and slightly larger, identical throughout in the peculiar 

 sculpture, but of a pure bright green throughout, the legs and entire beak 

 concolorous; beak (cf) similarly short, rather strongly arcuate, the impres- 

 sions on the compressed sides basally and beyond the antennae a little broader, 

 the punctures moderate and sparse, shorter than in puncticollis and only 

 about three-fourths as long as the prothorax, which is almost similar through- 

 out, except that the sides are more rapidly oblique and straighter beyond 

 the middle, the coarse separated antero-sublateral punctures similar; basal 

 lobe notably more narrowly rounded at tip; elytra similar, the strial punc- 

 tures somewhat more distinct; pygidium somewhat smaller and distinctly 

 shorter; abdomen and apical fovea similar; prosternal sulcus broad and 

 continuing to the posterior lobe, the coxae separated by not quite their own 

 width; in puncticollis, the narrower deep canal extends only two-thirds the 

 way from apex to lobe, separated from the latter by a perfectly flat quadrate 

 area; legs nearly similar. Length 5.0 mm.; width 3.0 mm. Brazil? A 

 single specimen, without indication of locality, but almost undoubtedly from 

 the same general geographic region as the preceding gramineus n. sp. 



13 — Form moderately stout, rhomboid-oval, convex, polished, cupreous, a little 

 more aeneous laterally; beak coppery and greenish, the legs dark blue, the 

 abdomen green, subcupreous at base; summit of the humeral prominences 

 faintly greenish; beak (9) very thick, slightly compressed, straight, bent 

 slightly at apex and only three-fourths as long as the prothorax, finely, 

 sparsely punctate, more strongly and densely at the sides apically; antennae 

 black, submedial, thick, the joints broadly and deeply excavated; prothorax 

 one-half wider than long, the strongly arcuate sides becoming slightly diver- 

 gent and nearly straight posteriorly in about basal half; tubulation long and 

 abrupt; surface smooth, not evidently punctulate, the lobe broadly rounded ; 

 elytra scarcely longer than wide, very broadly and obtusely parabolic, the 

 humeral prominences moderate; striae fine but sharply marked, scarcely at 

 all punctured; pygidium finely, sparsely punctate; anterior coxae separated 

 by their own width, the prosternal lobe deeply and narrowly canalate; legs 

 rather long, finely, sparsely punctulate; fifth ventral with two small, widely 

 separated apical foveae. Length 6.4 mm.; width 4.0 mm. Brazil. A single 

 female specimen, from Desbrochers des Loges cavicornis n. sp. 



Form somewhat less elongate, rhomboidal, convex, distinctly alutaceous; pale 

 green, more or less suffused with pale cupreous, the legs and beak green or 

 partially subcupreous, especially in the female; beak (o 7l 9) about four- 

 fifths as long as the prothorax, rather thick, straight, feebly bent but not 

 darker at apex, distinctly, rather sparsely punctate; antennae blackish, only 

 a little beyond the middle in either sex, more slender than in the preceding, 



