Brazilian Baring 175 



apex; scutellum small, oblong, smooth; elytra not quite a third longer than 

 wide, parabolic, distinctly wider than the prothorax and about twice as long, 

 the humeri slightly prominent, rounded; grooves somewhat coarse, deep; 

 intervals between two and three times as wide as the grooves, with single 

 series of strong and moderately distant punctures; abdomen finely, sparsely 

 punctate, notably convex, having a feeble longitudinal impression at base in 

 the male, the latter a little larger than the female. Length 3.5-4.0 mm.; 



width 1.6-2.0 mm. Brazil (Santarem). Five specimens gradata n. sp. 



Form more oblong-oval, with rather larger and more quadrate prothorax; color- 

 ation, lustre and vestiture nearly similar, the pale squamules of the elytra 

 suturo-basally coarser and much more conspicuous, though sparse; beak (c? ) 

 almost similar, rather slender, strongly arcuate and fully half as long as the 

 body; antennae longer and more slender, piceo-testacous, the second funicular 

 joint nearly twice as long as wide; prothorax a fourth wider than long, the 

 feebly converging sides slightly arcuate, gradually broadly, evenly rounding 

 beyond about the middle to the shorter and less well defined tubulation, 

 which is distinctly less than half as wide as the base; sculpture and basal 

 lobe nearly similar, except that the latter is shorter, with the apical truncature 

 broader; scutellum a little larger, more nearly as wide as long; elytra of 

 almost similar form and with the humeri slightly prominent, but scarcely 

 more than three-fourths longer than the prothorax, the grooves coarser, the 

 intervals with the strong punctures of the single interstitial lines much more 

 close-set; erect prosternal spines of the male a little longer and more curved, 

 the abdomen, however, almost without trace of basal impression, very 

 convex and moderately, loosely punctate. Length 3.8 mm.; width 2.1 mm. 

 Brazil (Santarem). A single male discreta n. sp. 



The larger and differently formed prothorax and closer inter- 

 stitial punctures, longer antennae and absence of abdominal impres- 

 sion of the male, will at once distinguish discreta from gradata; 

 the beak is somewhat longer in discreta. The canaliform excava- 

 tion of the prosternum is deeper and more foveiform anteriorly in 

 the male. 



Eudialomia n. gen. 



The body here is still more elongate in form, but with similar 

 black color, polished surface and peculiar scanty hair-like elytral 

 squamules. The beak is slender, evenly, rather strongly arcuate, 

 very feebly and evenly tapering, distinctly longitudinally sculptured 

 and punctured, shining and separated from the head by a distinct 

 depression. The mandibles are deeply bifid, arcuate and decussate. 

 The antennae are distinctly behind the middle, the funicle much 

 less compact and but little broader distally, so that the moderate 

 oval club is much more abruptly formed, the first and second joints 

 are more or less though always moderately elongate. The prothorax 

 is gradually produced at apex into a conspicuous tubulation, with 

 the basal lobe differing very much in the two species. The proster- 

 num is large, broad and flat, having a very small pit near the 

 apex, the coxae separated by much more than their own width. 

 The femora are mutic and the claw-joint of the tarsi is unusually 



