Coleopterological Notices, IV. 617 



sparsely sprinkled over the elytra. Its real isolation is shown not 

 only by the characters which I have assumed to separate it generic- 

 ally, bat by the very exceptional fact that the elytral intervals which 

 are narrowly and uniseriately punctured and pubescent, are the 

 third, fifth and seventh, while in the vast majority of genera these 

 are the more conspicuously broad and pubescent intervals. The 

 type appears to be a male. 



LeConte— Proc. Am. Phil. Soc, XV, p. 305. 



This is one of the aberrant and specialized generic types so char- 

 acteristic of the centrinide group of Barini, and is entirely isolated 

 in general form of the body, as well as in tarsal structure. The 

 beak is rather slender and arcuate, moderate in length and cylin- 

 drical, although rather rapidly dilated and noticeably flattened 

 toward the truncate apex, and with peculiarly small, widely dis- 

 tant mandibles, which can apparently do little more than mutually 

 touch when closed ; they are strongly dentate externally near the 

 base. The antenna? possess no exceptional features, but are slender, 

 with the club small and less densely pubescent than usual. The 

 impression separating the beak from the head is feeble and very 

 broad. Prothorax rather large in comparison with the elytra, sub- 

 equal to the latter in width or a little narrower, subcylindrical, with 

 broadly rounded sides, strongly constricted at some distance behind 

 the apex, the latter conically tubulate. Scutellum very small and 

 rather deeply seated. 



The prosternum is deeply, transversely constricted at a consider- 

 able distance behind the apex, but not otherwise modified, unim- 

 pressed, the anterior coxa? rather small and remote, usually sepa- 

 rated by fully their own width. Legs rather long and somewhat 

 slender, the tibiae deeply sculptured and more or less ridged and 

 fluted, the tarsi slender, with the third joint but slightly larger than 

 the second, emarginate, glabrous beneath, with a small setose tuft 

 near each apical angle ; claws rather long, slender, free and widely 

 divergent. 



The three species which I have been obliged to recognize may 

 be outlined in the following manner : — 



Pronotal punctures smaller, although still comparatively coarse, denser, with 

 a broad, fusiform, polished, and sharply limited impunctate line, which 

 attains and becomes confluent with the broad apical impunctate margin. 



