CHAPTER II.

THE PROBABILITY OF A SLIP—TIME OF THE MOST FREQUENT OCCURRENCE—SOME CONDITIONS UNDER WHICH SLIPS AND SUBSIDENCES IN CUTTINGS AND EMBANKMENTS MAY BE EXPECTED IN DIFFERENT EARTHS, SUCH AS ROCK, CHALK, SAND, GRAVEL, CLAY, &C., &C.—NOTES ON THE SLOPES OF REPOSE 13–49