AGRICULTURAL IMPLEMENTS. 157 



they are penetrating at any time, is marked by a dial near the 

 handle of the crank. Something of the kind, more effectual than 

 any thing we yet have, is much needed to be introduced with us. 

 Clean and thorough culture of stiff clay soils can hardly be per- 

 formed without it. 



I should remark of English agricultural implements in general, 

 that they seem to me very unnecessarily cumbrous and compli- 

 cated. 



