22 • BEETLES. 



the two posterior reddish spots are bordered with black all 



round. 



Genus Chl.^.nius, Bon. 



Moderate-sized beetles with a more or less broad pronotum 

 and filiform antennae, the third joint of which is longer than 

 the fourth. They live under moss and stones, near water. 



* C. schranki, Duft. (Plate III., Fig. 13). Thorax green, 

 with a golden or coppery lustre ; legs rusty-red. It frequents 

 damp places in meadows, and the banks of streams, but is 

 very rare in Britain. 



* C. nigricornis, Fabr., is similar, but has the antennce black, 

 with the exception of the first joint, which is rusty-red. 



* 6*. vestitus, Fabr. (Plate III., Fig. 14), has the edges of 

 the elytra, as well as the antennae and legs, yellow. It is 

 common in damp places in the neighbourhood of London. 



Genus PoiCiLUS, Bon. 



The first joint of the antennae is laterally compressed so as 

 to form a sharp ridge above. These beetles must be sought 

 for under stones. 



* F. cupreus, Linn. (Plate III., Fig. 15). Wing-cases metallic- 

 green, coppery-red, blue, greenish, or blue-black. The first 

 joint of the antennae is reddish-brown. It is common and 

 widely distributed. 



* P. lepidus, Fabr., is similar, but wingless. It has the 

 antennae completely black. It is very local. 



* P. dimidiatm, Oliv. Elytra punctate-striate. Base of 

 antennae reddish-brown. It is rare. 



Genus Omaseus, Ziegl. 

 Black beetles of moderate size, with the first joint of 

 the antenna^ rounded at the end. Some of the species are 



