or any part of it, without haying recourse to a back-drain asabove.
Chap. XII. App. Part 6.
No. II. Description op the Plates.
Plate I.
Fig. 1—This represents part of a division of a water-mea-dow, containing three complete beds, of proper length andbreadth, on a .large scale of two inches for one Scotch chain of24 ells. P M F, represent a part of a master feeder, in exactproportion to the three floating gutters it has to feed, with asolid earth stop left in it, marked s. The three floating guttersare marked 1, 2, 3 ; and they represent a floating gutter in threedifferent forms or stages. The first is designed to show the fourlines cut with the spade in making a new gutter, before the sidesare turned out; the next, marked 2, is designed to represent thesides of a new floating gutter, after they are newly turned out;the next, marked 3, represents a floating gutter that has beensome years made, in which the form of the banks has disappeared,and the breadth of the gutter only visible ; the dots marked inthe gutter represent stops, or portions of fast earth left for thatpurpose. All the small drains answering to the gutters aremarked with a d, and the part of a master drain with P M D.
Fig. 2.—Represents the sections of the three beds above de-scribed, and are marked 1, 2, 3.
The 1st represents the form of a bed formed with a plough,before the gutter is turned out. .The small dots at A, representthe section of the angular furrow, formed with the spade, asmentioned at page 131, before they are turned out.
The 2d shows the section of a proper bed, after the angularfurrows are turned out on the sides of the floating gutter.
The 3d shows the section of an old bed and gutter, after theshape of the sides of the gutter have disappeared.
The 4th is a section of the feeder, with its back half bed.
Fig. 3—Represents the simple mode of levelling mentioned inthe chapter. A, the stream ; B, the dam ; C, shows a smallnotch or ditch in which the water stands dead level; d d, twosticks set up of equal height above the surface of the water ; E,is the spot to wdiich the water is wanted to be conducted, andto come out upon the surface; d, is another stick set into theground, exactly the same height above its surface as the othertwo are above the water. Now, it is evident, from lookingover the two sticks set in the water, that if you see over the