200 ZOOLOGY. 



9. Silpha. Carrion Beetle. Antennce thickening to'vard? 



Ih3 tip ; wing-covers margined ; head prominent ; 

 thorax flattened, margined. 



This genus, as its name imports, resides and feeds on de- 

 caying a.imals, as also under the rotting bark of trees. 



10. Cassida. Antennce moniliforiii, fig. 9, plate 3 ; thorax 

 and wing-sheaths margined ; head concealed beneath 

 the projecting shield of the thorax j bod^i/ oval, convex, 

 beneath flat. 



Mcst of the species attach themselves to the leaves oT 

 plants, and may be met with in tolerable abundance in 

 gardens, during the summer months. 



11. Coccinella. Lady-Bird. Antennaicla.va.te; tips solid ; 



fig. 10, plate 3 ; palpi four, the anterior twoj hatchet 

 shaped, the posterior ones filiform ; bodt/ hemesphe- 

 rical ; abdomen flattened. 



This elegant genus feeds on that destructive tribe of 

 insects, the Aphides or plant lice. 



12. Chrjjsomela. ^n^ennce moniliform, thickening towards 

 the tip ; palpi six j thorax margined ; body ovate, or 

 •blong, convex. 



A very beautiful and numerous tribe, some of the indivi- 

 duals may be found in almost every wood or garden ; both 

 the larvae and mature insect feed on the leaves of plants. 



