50 



PRIZE ESSAY 



sist to a great extent the wasting attacks of the maggot, whose 

 attachment is then made to the second and sometimes the third 

 joint. 



80. In young autumnal wheat the base of the sheath is at the 

 crown of the root, as shown in figure (A. ), and it is here that 

 the autumn brood of the fly must be sought for. 



Appearance of a healthy (*) and of a diseased (t) shoot of wheat in autumn';-the 

 worms lying at (). 



