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 was harmful even to Hale, is not inexpressibly degrading and fruitful of bad practice. It must be borne in mind also that scientific criticism is very often much more than a mere negation. It is sometimes from the necessity of the case reconstructive, and it is commonly strongest when it supplies something in place of what it takes away. Darwin might have contented himself with showing the difficulties that beset all existing theories of the origin of species, and in that case his work, however valuable, would have been purely negative. As a fact, the mere process of detecting difficulties led him to what he thought an easier solution of the life of the universe, and his theory, true or false, has served to stimulate inquiry, and has at least, we may perhaps say, given a convenient halting-place for speculation. On the whole, whether we regard its positive results or the masculine tone of thought which it stimulates, the spirit of critical analysis in the domain of positive science seems to be that from which we have most to hope in coming centuries.

The criticism of taste is another matter. That there is an absolute canon of beauty seems hardly questionable when we consider that at a distance of more than two thousand years we are still recognising the transcendent excellence of the best Greek artists in style and marble. On the other hand, that any age can consider itself possessed of a true judgment seems a little doubtful when we- bear in mind how constantly opinions have varied upon subjects where there ought to be very little difference. There was probably no man of his day better qualified to write sound criticism on the drama as he knew it than Dryden. Dryden tells us that he loved Shakespeare, and he says a great