MODERN SYSTEM. 
206 
Platypus cylindricus. Herbst, Lutr. Bostrichus cylindricus. Fabr. 
Scolytus cylindricus. Oliv. . 
Discovered to lie a native of Britain by Mr. D. Bydder, who too 
it in the New Forest of Hampshire from beneath the bark of trees. 
Stirps 2. — Antenna with the club beginning at the ninth joint. 
Genus 219. SCOLYTUS. Geoff., Scheffer, Lair., Oliv., Leach. 
Tarsi with the last joint but one bifid.' antenna with the club com 
pressed, obovoid, the apex rounded. 
Sp. 1. Sco. Destructor. 
Scolytus Destructor. Oliv., Latr. Ips Scolytus. Marsh. Hylesinus 
Scolytus. Fabr. 
Inhabits beneath the bark of the elm. 
Genus 220. HYLESINUS. Fabr., Latr., Leach. 
Tarsi with their penultimate joint bifid : antenna with the club little or 
not compressed, ovoid, the extremity pointed. 
Sp. 1. Hyt. cr mains. 
Hylesinus crenatus. Fabr., Latr. Scolytus crenatus. Oltv. 
Inhabits Europe, under the bark of trees. 
Fam. XXXIX. Cisid.i:. Leach. 
Body ovoid or oblong; in some depressed, in others linear : palpi fid' 
form or bent at their extremities: antenna ten-jointed, increasing 
towards their extremities or terminated by a perfoliated mass. 
STittrs 1 .—Antenna with the club three-jointed, perfoliated. 
Genus 221. CIS. Latr., Ij;ach. 
Antenna twice as long as the head: body oval, depressed. 
Sp. 1. Cis Boleti. 
Dermestes Boleti. Scopoli. Anobium Boleti. Fabr., Illig., 
bium Indentation. Oliv. Ptinus Boleti. Marsh. 
Inhabits the Boletus .versicolor. 
Paylc. AnO' 
Stirps 2. — Antenna with a nearly globose two-jointed club. 
Genus 222. CERYLON. Lutr., Leach. 
Body elongate : thorax quadrate, with the hinder margin straight, co»' 
tiguous with the elytra : abdomen not pedunculated. 
Sp. 1. Cer. histeroides. , 
Lyctus histeroides. Fabr., Payk., Panz. Rhyzophagus histeroim- 
Herbst. Cerylon histeroides. Latr. 
Inhabits Europe, beneath the bark of trees. 
