PLATE IV.

Common Wheel-Ploughs.

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Fig . I. Is the representation of a wheel-plough of the Rotheram kind.

Fig. 2. A common wheel-plough ufed in many diftri&s.

Fig. 3. Is a double mould-boarded wheel-plough, employed for the purpofe of earthing upcrops fown or fet in rows at great diflances.

Fig. 4. Is a fort of fen plough which has been found ufeful in Lincolnlhire. It has acutting wheel as feen at a.

Fig. 5. Is a marking plough, fometimes ufed for regulating the drills, where that fort ofhulbandry is to be employed ; but more particularly ufeful for marking out ridges.