CLASS V. INSECTA. 
169 
Genus 94. PTOMOPHAGUS. IUig., Knock, Leach. 
Antenna straight clavated, club five-jointed : maxillary palpi with the 
last joint subulate, conic: labial -with the last joint obtuse : thorax 
"nth the hinder angles acute : elytra never striated. 
®P- 1. Ptom. villosus. 
Inhabits dead animals. 
Genus 95. MYLZE.CIIUS. 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. 
S P- 1. Myl. brunneus. Oblong-ovate, black-brown, finely but widely 
Punctate, slightly pubescent. 
Catops brevicornis. Payk. Mykechus brunneus. Latr. Choleva 
hrunnea. Spence. 
Inhabits France, Sweden, and England : in the latter country it has 
occurred but twice. 
Genus 96. CRYPTOPIIAGUS. Herlst, Payk., Gyll., Leach. 
■Body depressed; back plain: tarsi with elongate slender joints : an- 
tenna with a compact three-jointed club. 
S P- 1. Crypt, cellaris. Testaceous ferrugineous, widely punctate, pu- 
bescent : thorax finely denticulated, on each side distinctly uniden- 
tate, anterior angles dilated, rounded, ending behind in an obsolete 
tooth. 
Ips cellaris. Oliv., Latr. Dermcstes cellaris. Scopoli. Cryptophagus 
cellaris. Payk., Gyll., Leach. Cryptophagus crenatus. Herlst . Der- 
niestes Fungorum. Panzer. 
inhabits damp wood, paper, &c. in cellars. 
Genus 97b ENGIS. Payk., Fair., Gyll., Peach. 
te"dy depressed, back plain : antenna with a three-jointed much per- 
foliated club: tarsi' with the three first joints short. 
S P- 1. Engis humeralit. Elliptic, black, shining, punctate; antenna:, 
bead, thorax, humeral spot on the elytra and feet red approaching 
to blood red. 
: ' n gis humeralis. Payk., Fabr., Gyll. Tps lmmeralis. Herbst. Dacne 
humeralis. Latr. 
ln habits Europe, under the bark of trees and in boleti. 
Genus 98. THYMALUS. Latr., Leach. Peltis. Kugellan, llli- 
ger, Payk., Fabr. Ostoma. Laickarting. 
depressed ; back plain : tarsi with the third joint neither bifid 
n °r dilated : palpi terminated by a thick joint : mandibles promi- 
nent : antenna with a three-jointed club. 
