CLASS V. INSECTA. 169 



Genus 91. PTOMOPHAGUS. Illig., Knock, Leach. 



Anteraia straight clavated, club five-jointed : vuixillarii palpi with the 

 last joint subulate, conic: labial with the last joint obtuse : thorax 

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



Sp. 1. Ptom. villosus. 



Inhabits dead animals. 



Genus 95. MYL.ECHUS. Lafr., Leach. 



-l«/c««rf incurved, shorter than the thorax, the basal joints distinctly 

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

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

 last joint obtuse. 



Sp. 1. My I. briinneus. Oblong-ovate, black-brown, finely but widely 

 l)unctate, slightly pubescent. 



Catops brevicornis. Pui/k. Mylschus brunneus. Latr. Choleva 

 brr.nnea. Spcnce. 



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

 occurred but twice. 



Genus 96. CRYPTOPIIAGUS. Herbst, Pai/lc, Gyll., Leach. 



£oi(y depressed ; buck ])lain : Uit-si with elongate slender joints : an- 

 teniice with a compact three-jointed club. 



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

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

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

 tooth. 



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

 cellaris. Payk., Gyll., Leach. Cryptophagus crenatus. Herbst. Der- 

 mestes Fungorum. Panzer. 



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



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

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



foliated club: tarsi v.ith the three first joints short. 

 Sp. 1. Ejigis hiimeralis. Elliptic, black, shining, punctate; antennae, 



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



to blood red. 

 Engis humeralis. Payk., Fahr., Gyll. Tps humeralis. Herbst. Dacne 



humcralis. L^atr. 

 Inhabits Europe, imder the bark of trees and in buleti. 



Genus 98. THYMALUS. Latr., Leach. Pei.tis. Kngellan, llli- 

 gcr, Payk., Fabr. Ostoma. LMicharting. 



£o.'/i/ depressed ; back plain: tarsi with the third joint neither bifid 

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

 )ient: antenna: witii a throe-ininted chib. 



