200 



ZOOLOGY. 



9. Silpha. Carrion Beetle. Antennce thickening towards 



the tip ; wing-covers margined ; head prominent ; 

 thorax flattened, margined. 



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

 caying animals, as also under the rotting bark of trees. 



10. Cassida, Antennae moniliform, fig. 9, plate 3 ; thorax 

 and wing-sheaths margined ; head concealed beneath 

 the projecting shield of the thorax ; body oval, convex, 

 beneath flat. 



Most of the species attach themselves to the leaves of 

 plants, and may be met with in tolerable abundance in 

 gardens, during the summer months. 



11. Coccinella. Lady-Bird. Antennct c\a^va.ie ; tips soVid ; 

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

 shaped, the posterior ones filiform; bodi^ hemesphe- 

 rical ; abdomen flattened. 



This elegant genus feeds on that destructive tribe of 

 insects, the Aphides or plant lice. 



12. Chrysomela, Antennce moniliform, thickening towards 

 the tip ; palpi six ; thorax margined ; body ovate, of 

 oblong, convex. 



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

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

 th« laiTa and mature insect feed on the leaves of plants. 



