IS'G MODERN SYSTEM. 



Genus 8C. OPILUS. Latr., Leach. Eupocns. Illlger. 



Palpi securiform : anteniuc with the ninth and tenth joints obconic, the 

 last ova], obliquely truncate : eyes not notched: thora,v conic-cylin- 

 dric, narrower behind. 



Sp. 1. Op. mollis. Fuscous, villous: base and apex of the elytra and 

 a middle transverse band with the under parts of the thighs yellow- 

 ish gray. Abdomen red. (P/. 12. /g. 1.) 



Notoxus mollis. Fahr. Clerus mollis. Oliv., Marsh. Attelabus mollis. 

 Linn. Opilus mollis. Lutr. 



Inhabits Europe, under the bark of trees and in the wood of decayed 

 willows, eating the larvaj of other insects. 



Genus 84. NECROBIA. Lat7\, Oliv., Leach. Dermestes. Linn. 

 Clerus. Geoff'.,T)e Geer, Marsh. Coryst-tes. Paykull, Fabr. 

 Falpi terminated by an obconic Joint: antemue with the three last 

 joints forming an oblong triangulate mass, obtuse both externally 

 and internally. 

 .Sj'. 1. Nee. riificolUs. Blue-black: thorax and base of the elytra red. 

 Dermestes ruiicoUis. IJnn. Corj^netes ruticollis. Fahr. 

 Inhabits Europe, feeding on decayed animal substances. 



Earn. X. SiLPHi.vu.E. Leuclis Zool. Misc. vol. iii. 



Antenna: gradually thickening towards their extremities, or terminated 

 by a solid or perfoliate club : elytra covering the greater portion of 

 the abdomen : body oval or paralleloj)iped. 



SxiRPS 1. — Palpi very distinct: mandibles with their apex entire. 



Genus 85. NECKOPIIAGUS. Fabr., Oliv., Lam., Leach. Sil- 

 pii.v. Linn., Dc Geer, Murslt. Dermestes. Geoff. 



Antenna not nuich longer than the head, terminated abruptly in a per- 

 foliatcd kuub : elytra truncated in a straight line, the external mar- 

 gin not channelled or keeled : body long quadrate. 



Sp. 1. iVecr. spinipes. Black: antennte ferruginous at their points: ely- 

 tra witli their external margin and a double transverse undulated 

 band of orange: trochanters of hinder thighs produced into a spine. 



Sp. ','. Necr. I'espillo. {PL 2. fig. 6. a. antenna: mugnijied.) 



■Inhabits putrid /«/?gj and dead animals. 



Genus 86. NECRODES. Wilkinis MSS. Leach. 



Body elongate oval : thorar orbicular : apex of the elytra obliquely trun- 

 cate: hinder thighs of the male thicker than the rest. 



Sp. 1. A^ecr. lilloralis. Black: antennai with the three last joints ferru- 

 ginous: elytra with three elevated lines, the two external ones con- 

 nected by a tubercle; hiviler tibicc of the male arcuate; the thighs 

 toothed, 



