OF PUILADELPniA. 177 



This is also an inhabitant of Florida and Pennsylvania. The 

 name stn'afus is preoccupied in this genus. 



[Jielongs to Baridius. — Lcc.] 



6. R. UNDULATUS. — Sanguiucous, polished; elytra, abdomen, 

 and feet, black. 



Inhabits Arkansa. 



Body polished, punctured, sanguineous : rostrum black, ar- 

 quated, as long as the thorax : thorax dilated ; punctures minute 

 and distant, on each side confluent into oblique lines ; anterior 

 margin abruptly narrowed into a collar : elytra black, undulated, 

 immaculate ; strijE very narrow, profound, not distinctly punc- 

 tured : postpectus, venter, and feet black, the latter scabrous. 



Var. a. Totally black. Pennsylvania. 



Length exclusive of the rostrum, one-fifth of an incli. 



The elytra of this species are remarkably undulated. For 

 specimens from Arkansa I am indebted to Mr. T. Xuttull. [316] 



[Belongs to Madnrus. — Lec] 



LIPARUS Oliv. Leaeh. 

 CucULio Linn. 



1. L. VITTATUS. — Cinereous ; rostrum trisulcated ; elytra, with 

 the suture and three lines, blackish. 



Inhabits Arkansa. 



Body densely covered with minute, cinereous scales, with a very 

 Blight tinge of carneous : head with a dusky, dilated, lateral line : 

 rostrum profoundly and widely sulcated in the middle, and on each 

 side over the interval between the eye and insertion of the antennaD : 

 mouth black: antennae, club dusky: thorax somewhat inequal, 

 with disUint, profoundly impressed punctures : three dusky, lon- 

 gitudinal lines: elytra with regular series of profound punctures; 

 dilated suture, and three slightly elevated lines on each elytron, 

 blackish : beneath immaculate. 



Length more than half an inch. 



Nut uncommon upon the arid and sterile country, included 

 within the distiuice of four or five hundred miles of the Rocky 

 Mountains. The anterior feet are the most robust, and each 

 alternate interstitial line of the elytra is a little elevated and 

 blackish. 



[Belongs to Ophryastes. — Lec] 

 1824.] 12 



