108 APPENDIX. 



DR. KLOTZSCH presented to the King of Prussia 

 a memorial offering to give to the world his method 

 of preventing disease in potatoes, provided he were 

 assured of a remuneration of 2,000 dollars (about 

 300), if, after three years' experience, it should be 

 found efficacious. 



The king handed the memorial to the Minister 

 of the Interior, who requested the College of Rural 

 Economy to discuss the matter with Dr. Klotzsch. 



The president of the college undertook the 

 arrangement, and, after Dr. Klotzsch had explained 

 to him privately his method, reported most favour- 

 ably of it to the College, which unanimously recom- 

 mended that the very moderate remuneration asked 

 for by Dr. Klotzsch should be secured to him on 

 the following conditions, which were accepted by 

 him. 



1. That the College of Rural Economy should 

 be the judges of the efficacy of the proposed 

 method. 



2. That their decision should be given, at 

 latest, within three years, provided the 

 potato disease, against which the plants are 

 to be protected, should appear during that 

 period. 



The Minister of the Interior approved of the re- 

 commendation, and authorized the College to con- 

 clude an agreement with Dr. Klotzsch. 



The agreement has been concluded, and now the 



