Coleopterological Notices, IV. 615 



striction very feeble; disk coarsely, moderately closely punctate, the 

 punctures tending slightly to coalesce longitudinally ; median im- 

 punctate line distinct except toward the apex. Elytra only just 

 visibly wider than the prothorax, the sides feebly convergent, the 

 apex not very narrowly rounded ; disk finely but deeply striate, the 

 intervals from two to three times as wide as the grooves, rather 

 coarsely, moderately densely, rugosely and indistinctly punctate 

 throughout their widths. Prosternum deeply channeled along the 

 middle, the groove squamose and limited at each side by an elevated 

 straight ridge, the coxae separated by nearly one-third of their own 

 width. Length 4.6-5.0 mm.; width 1.9-2.1 mm. 



Florida (Enterprise and Haw Creek). In the female the antenna? 

 are inserted at the middle of the beak, and the first joint of the 

 funicle is a little longer, the second shorter; the beak however does 

 not differ much from that of the male, being merely a little less 

 stout, somewhat less coarsely punctate and about as long as the 

 head and prothorax. The statements in the original description, 

 that the beak is slender and the anterior coxai widely separated, are 

 greatly misleading. 



CENTRIIVITES n. gen. 



The chief characters differentiating this genus from Centrinus, 

 are those which relate to mandibular and antennal structure, but, 

 although in several other respects the single species representing it 

 is somewhat peculiar, it cannot be denied that Centrinites is one of 

 the few unsatisfactory genera necessitated b}' a mandibular basis of 

 classification — unsatisfactory because there is not a sufficiently great 

 peculiarity of habitus. I believe, however, that any other taxo- 

 nomic basis for the genera in this part of the Barini, would give 

 rise to much more pronounced and wide-spread ambiguity. 



The mandibles in Centrinites are nearly as in Nicentrus, very 

 feebly decussate and rather prominent when closed, but at the same 

 time quite deeply notched within near the apex. The antennae are 

 inserted slightly beyond the middle of the beak, and the outer joints 

 of the funicle are finely pubescent like the club, having also, how- 

 ever, the usual long bristling setae or squamules; the outer joints 

 do not merge gradually into the club, the latter being sensibly ab- 

 rupt. 



The prosternum is impressed along the middle, very narrowly 

 separating the coxk, and the prothorax is tubulate at apex. Mes- 



