and the wheel, B, serves to crowd or press the seed forward, fill- Epidemics and their Causes. The drill for making the furrow is placed be- rotates the wheels, H I,and the seed being placed ing the recesses, and at the same time prevent- Dr. Southwood Smith has been giving a very tween the share,… … probably cholera. which the rows are planted, so that in culti- The concave, J, prevents the seeds falling in the periphery of the wheel, B,so as to prevent at + ee + too scattering a manner asit drops through vating the light furrow left on each side of the the seeds dropping when turning around…
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