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the sieve is necessary for this, and the one we have 

 used for years is both inexpensive and useful. Such 

 a separator is used when sorting the potatoes for sale 

 or other purposes. When used in conjunction with a 

 hand sieve three separations are made : the ware 

 remains in the middle, the seed passes down the shoot, 

 and the chats and dirt pass between the tubes of the 

 shoot. Another excellent separator is that made by 



\ 



COTTON'S INTERCHANGEABLE RIDDLES. 



Messrs. Geo. Cotton, to whom the Silver Medal was 

 awarded by the Royal Agricultural Society, for their 

 adjustable riddles. This also makes three separations. 

 By a simple process, and with inappreciable delay, 

 fresh meshes can be substituted in any of the frames, 

 whether of the ordinary handle riddle, or in the 

 complex machine. Several other machines, which 

 make equally good separations, are in the market, but we 

 prefer the two mentioned, because the mere division 



