APPENDIX. 109 



method is published, that it may be tried and tested 

 as widely as possible by comparative experiments, 

 similar to those made by Dr. Klotzsch himself. 

 The cost of it is stated not to exceed Is. 6d. per 

 acre in Germany. 



It is very desirable that this method should be 

 tried in the British Islands, and as the season for 

 trying it now approaches, I have here given Dr. 

 Klotzsch J s account entire. 



WILLIAM GREGORY. 



