VEGETABLE PLANTS. 51 



flea-beetles, which is as strong proof as we are 

 now able to present. The closest observers 

 agree that club-root is caused by a little worm 

 boring into the root. Why not, then, as soon 

 lay the mischief to this little maggot as any 

 other, inasmuch as it is more frequently found 

 here than any other worm. We do not doubt 

 but that there are other maggots, the larvae of 

 other insects than the flea-beetle, which are 

 capable of producing the same effect, but we 

 do believe this to be the most common cause 

 and the one most to be guarded against. We 

 are aware that altogether a different code of 

 habits has been given these insects by promi- 

 nent entomologists and writers upon this sub- 

 ject, and desire to quote a few passages, that 

 the reader may be led to experiment until 

 satisfied who is right. Hon. Asa Fitch, in his 

 "Eleventh Report of the Noxious, Beneficial 

 and other Insects of the State of New York," 

 which was published in the Twenty-sixth 

 Annual Report of the State Agricultural Soci- 

 ety, in writing of the cabbage maggot makes 

 the following statement : 



" It lies dormant in the ground about a fort- 

 night in its pupa state, and then gives out the 

 perfect insect, which is a two-winged fly resem- 



