204 Memoirs on the Coleoptera 



thick, strongly arcuate, dull, distinctly longer than the head and prothorax, 

 the antennae slender, distinctly beyond the middle; prothorax almost as 

 long as wide, the strigilation fine and very dense throughout; scutellum 

 nearly as in the preceding; elytra almost a third longer than wide, slightly 

 wider than the prothorax and four-fifths longer, the confused punctures of 

 the intervals rather strong and only moderately dense; male with two very 

 short erect prosternal spines, the abdomen very feebly impressed and less 

 squamulose medio-basally. Length 2.6 mm.; width 1.2 mm. Brazil (Rio 

 de Janeiro). November. One specimen conicicollis n. sp. 



Prothorax more transverse and with the sides rather rapidly more rounding and 

 oblique apically 3 



3 — Color dark piceous, the elytra black. Form subrhombic-oval and not shining ; 

 pale squamules close at the sides of the pronotum and throughout the pro- 

 sternum, also on the basal lobe and in a few loosely aggregated small spots on 

 the elytra, also on the inner intervals at base; beak ( 9) somewhat thinner 

 than in the preceding male type, strongly arcuate, closely punctate at the 

 sides and with the usual sparse slender squamules, about two-thirds as long 

 as the elytra, the antennae only just visibly beyond the middle; prothorax a 

 third wider than long, the gradual and moderate truncate tubulation less 

 than half as wide as the base; strigilation fine and very dense, the median 

 line a somewhat coarser rugula; scutellum subglabrous, deeply sinuate; 

 elytra parabolic, rather more than a fourth longer than wide, slightly wider 

 than the prothorax and twice as long; confused interstitial punctures smaller 

 than in the preceding and very dense; abdomen densely squamulose through- 

 out. Length 2.8 mm.; width 1.3 mm. Brazil (Rio de Janeiro). November. 

 One female specimen fuscipennis n. sp. 



Color piceous-brown throughout, the elytra not darker; elytra with more scattered 

 pale squamules and without such definite small remote spots as in the two 

 preceding 4 



4 — Body smaller, narrowly subrhombic-oval, the pale pronotal squamules sub- 

 evenly and loosely distributed, denser only at the base laterally, with a 

 dense whiter point on the basal lobe; on the elytra they are sparsely scattered, 

 somewhat closer on the second interval before the middle and in some 

 indefinite lineal regions apically; fine pale squamules rather sparse through- 

 out beneath; beak dull, strongly arcuate, but very little' longer than the 

 head and prothorax, the antennae barely beyond the middle; prothorax not 

 quite a third wider than long, the feebly converging sides nearly straight, 

 gradually rounding and more oblique beyond the middle, the feeble tubu- 

 lation half as wide as the base; strigilation fine and dense; scutellum as in the 

 preceding; elytra nearly a third longer than wide, narrowly parabolic and 

 rather more than twice as long as the prothorax; interstitial punctures 

 moderate in size and not very dense, obviously separated; abdomen narrowly 

 and shallowly impressed medio-basally in the male, there being a very 

 feeble angulation also before each anterior coxa. Length 2.3 mm.; width 

 1. 18 mm. Brazil (Rio de Janeiro). November. One specimen. 



nanus n. sp. 



Body rhombic-suboval, stouter than in any one of the preceding three species; 

 color and vestiture nearly as in nanus, except that the denser pale squamules 

 at the sides of the prothorax are not basal but extend through basal half; 

 on the under surface they are similarly dense narrowly along the sides; 

 beak as usual, only moderately slender, feebly tapering and closely punctured, 

 differing but little in the sexes, arcuate and a third longer than the head and 

 prothorax (a"), or still more arcuate, slightly more slender and smoother 

 apically and one-half longer than the head and prothorax ( 9 ) ; prothorax 

 a fourth (c?) to nearly a third (9) wider than long, the sides gradually 



