195 



disease is very bad the decay is likely to be conveyed 

 to those which are sound, as the rotting sets up 

 fermentation, which develops heat-moisture, conditions 



COTTON'S POTATO SORTER. 



under which decay is likely to progress. The whole 

 mass should be moved, and the unsound ones taken 

 out. There is no more rapid method than to work 

 them on sieves or riddles. A stand on which to rest 



