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share of whatever nutriment it deposits. 

 The best method which I have seen of 

 adjusting this inequahty of distribution, 

 is the following : — to continue the feeder 

 down the centre of the declivity to the 

 last bed, and then by means of small 

 hatches placed below the ditches, as in 

 the plate, which are so contrived as to 

 suffer a certain quantity of water to pass 

 through them, some of the first and best 

 water is conveyed, unused, even to the 

 lowest bed. These hatches likewise give 

 a power of floating the beds alternately, 

 or of throwing the water over the first 

 and third, and laying the second and 

 jfourth beds dr\^, or vice versa, 



I am sorry to my that I have seen the 

 common plan of catch-work watering re- 

 sorted to, when there was no absolute 

 necessit}' for its adoption, when there has 

 B B been 



