AON Dok BE NsCeE:s. 5

(Fig. 1ft.) which reprefents a perpendicular {ection of this dike;(Fig. 2d.) a fide view of the fame; and(Fig. 3d.) a perpendi- cular view of each row as it lies in the dike.

The manner in which the workman pro- ceeds, fo as to effectuate all thefe joinings with the utmoft accuracy and facility, is as follows:—He begins by making a iong rut xx and xx(Fig. 3d.) with his fpade, along each fide of the dike, turning his back towards the place where the dike 1s intended to be, fo as to pale the cut of the feal flanting outward, as atexx(Fig. aft. and 4th.); He then makes anothe Wits g Ze hae oe) parallel to the former at the d diftance of the ee Nh of from it, keeping his face towards the dike,= as to flope inward, as at R(Fig. 4th.); which is neceffary, that the firft row of feal may be allowed to be raifed up with freedom. It is then cut into fods of a proper breadth, as at the doted lines a(Fig. 3d.) which, being raifed up by the {pade, are then laid into the dike, with the grafly fide undermoft, as at a,(Fig.

4 iit.