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422 wooden straight-edge from peg to peg, the level of the whole area can be efficiently tested.

A serious danger to which strange soil is liable is the presence of seeds of troublesome weeds. We have seen a lawn which had been made level with sifted soil taken from a neighbouring field. Upon every spot thus treated a strong colony of Holcus lanatus had grown, and as the pale green patches defied all efforts to extirpate them, the extreme course of cutting out and replacing with good turf had to be adopted.

The only certain way of ridding soil of weed seeds is to burn it. This operation is well understood by agriculturists, and we should like to insist upon it as not only essential when adding strange soil upon which a cricket ground is to be made, but highly desirable whenever the land is a stiff clay, in which case burning is often worth undertaking, for the beneficial effect it has on the growth of grass. The disintegration of the clay, which is one of the good effects of burning, may to some extent be obtained by simply digging up the ground in autumn and leaving it rough for the frost to break down and sweeten.

Should the proximity of dwellings render burning impracticable, the only alternative as regards the weeds is to allow their seeds plenty of time to germinate, and to destroy successive crops by light