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Classification of the Sci
26

alone being modified by the dam. If, on the contrary, the effect of damming the stream were to be that the water above would, at once, cease to flow down, and, in place of it, a spring were invariably to gush out of the ground just below the dam, this would be a mild case of quasi-purpose. If when one thereupon built a second dam below the spring, the water should now again start to flow down the river-bed above, but this time carrying along with it a great rock that should come rolling down with such force as to break through both dams, the purposiveness would be emphatic.

Let us, however, consider the unity of quasipurpose of a single instinct acting in very different circumstances. Here it is no longer one and the same subject that is acted upon, but at most only connected subjects. Nor is there any longer any one character which is superinduced upon those subjects, but only a sort of harmony of characters. This harmony has to be judged by the way it strikes our minds. We cannot be sure that there is any real bond of unity