BEETLES. 95 



into a pointed spine. The prosternum is lobate in front, with 

 a projection behind, which fits into an excavation of the 

 mesosternum. The abdomen is composed of five segments. 

 Many of these beetles have the power of jumping, and if 

 placed on the back can spring into the air, and in so doing 

 make a clicking noise. 



Genus Adeloceea, Latr. 



Grooves for the antennae reaching as far as the front coxse. 

 Antennae shorter than the pronotum, serrated on the inner 

 side ; the second joint is small, and those following triangular 

 and broader than long. The pronotum is longer than broad, 

 with a sharply ridged lateral border. The elytra are 

 moderately long, and generally pressed down on the back. 

 They are found in rotten wood and under bark. 



A.fasciaia, Linn. (Plate X., Fig. 15). Black, rather thickly 



covered with yellow scales, having a golden shine, and 



sprinkled and spotted with yellowish -w^hite, especially on 



the greater part of the pronotum, and with a zigzag band 



beyond the middle of the elytra. It is found under the bark 



of pines in many parts of Europe, but is not a native of 



Britain. 



Genus Lacon, Germar. 



Grooves for the antennae not quite extending to the front 

 coxae, closed behind. Antennae as long as the pronotum, the 

 second and third joints small and globular, the fourth much 

 broader and twice as long as the third, and the remainder 

 broadly triangular, except the last, which is oval. The pro- 

 notum is broader than long, with short, truncated, hinder 

 angles. The elytra are slightly convex, elongated oval. 



* L. murinus, Linn. (Plate X., Fig. 16). Black or dark 

 brown, completely clothed with dense sessile hair of a grey 



