FEBRUARY. 19 



-Antennae rather short ; legs robust ; 

 jaws very powerful ; body long, narrow, and dej^ressed 

 in form; elytra much shorter than the body; colour 

 frequently black. Localities, putrescent plants, fungi, 

 flowers, and under the bark of trees. 

 9. Bi/rrJddce. — Antennse more or less clavate; legs con- 

 tractile, that is, the tarsi can be laid close to the surface 

 of the tibia; elytra covering the body; body short, 

 oval, or rounded, very convex ; colour obscure. Loca- 

 lities, sand-pits and foot-paths. 



10. Histeridce. — Antennae short and elbowed ; legs toothed. 

 The two posterior pair being inserted widely apart; 

 mandibles very robust ; maxillae long ; palpi filiform ; 

 elytra short and truncate, leaving the body exposed; 

 body square and highly poKshed; colour black and 

 shining, sometimes varied with spots; size small. 

 Localities, bark of trees and dung. 



11. Luca7iidcB. — Antennae elbowed, and terminated by a 

 clab ; fore legs generally longer than the others ; man- 

 dibles very large ; elytra covering the body ; body ob- 

 long, oval, and depressed ; colour black ; size large. 

 Locahty, trunks of trees. 



12. GeotrujoidcB. — Antennae with a large club; mandibles 



