CLASS V. INSECTA. 169 



Genus 94. PTOMOPHAGUS. lUig., Knoch, Uach. 



Antennee straight clavatcd, club five-jointed : maxiUary palpi with the 

 last joint subulate, conic: labial \\'\\h the last joint obtuse : thorax 

 with the hinder angles acute : eli/tra never striated. 



Sp. 1. i^tom. villosus. 



Inhabits dead anijnals. 



Genus 95. MYL.ECHUS. Latr., Leach. 

 Antenna incurved, shorter than the thorax, the basal joints distinctly 



thicker than the rest ; club five-jointed, the joints transverse : palpi 



of the maxilla with the last joint subulate : labial palpi with the 



last joint obtuse. 

 Sp. 1. Mi/l. brunneus. Oblong-ovate, black-brown, finely but widely 



punctate, slightly pubescent. 

 Catops brevicornis. Pai/k. Mylaechus brunneus. Latr. C'holeva 



brunnea. Spence. 

 Inhabits France, Sweden, and England : in the latter country it has 



occurred but twice. 



Genus 96. CRYPTOPHAGUS. Herbst, Paijk., GijlL, Leach. 



Body depressed ; back plain : tarsi with elongate slender joints : an- 

 tcnna with a compact three-jointed club. 



Sp. 1. Crypt, ccllaris. Testaceous ferrugineous, widely punctate, pu- 

 bescent : thorax finely denticulated, on each side distinctly uniden- 

 tate, anterior angles diluted, rounded, ending behind in an obsolete 

 tooth. 



Ips cellaris. Oliv., Latr. Dermestes cellaris. Scopoli. Cryptophagus 

 cellaris. Payk., GylL, I^ach. Cryptophagus crenatus. Ilcrbst. Der- 

 mestes Fungorimi. Panzer. 



Inhabits damp wood, paper, &c. in cellars. 



Genus 97. ENGIS. Payk., Fabr., GylL, Leach. 

 Body depressed, back plain : aatennm with a three-jointed much per- 



Ibliated club : tarsi with the three first joints short. 

 Sp. 1. P.ns.is humerulis. Elliptic, black, shining, punctate; antenna}, 



head, thorax, humeral spot on the elytra and feet red approaching 



to blood red. 

 Engis humeralis. Payk., Fabr., Gyll. Ips humeralis. Herbal. Dacne 



humeralis. Latr. 

 Inhabits Europe, under the bark of trees and in boleti. 



Genus 98. THYMALUS. Latr., Leach. Peltis. Kugellan, llli- 

 ger, Payk., Fabr. (Jstoma. Laicharting. 

 P )dy depressed ; back plain : tarsi with the third joint neither bifid 

 nor dilated : palpi terminated by a thick joint : mandibles promi- 

 nent: antenna with a three-jointed club. 



