118 CULTURE OF FARM CROPS. 



Fig. 12. Fig. 13. 



Fig. 14. 



classes having a special interest to agriculturists. The 

 order Coleoptera a name compounded of two Greek words 

 which signify a sheathed winged insect comprises all the 

 varieties of beetles. The beetles are furnished with four 

 wings, two of which are used for flying, which are transpa- 

 rent and membraneous, as illustrated in fig. 15. the other 



