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“ combined, sparing the surface of the rocks“ to rage more furiously within them, gave“ to the constituent parts of the marble of« Estaube that rotatory motion to which we“ find nothing at all similar in the entire“ mass, save only a moderate curvature. Is a“ crash, or a blow, sufficient to explain, not“ only the undulations of the limestone of“ Sers, but also the veins that traverse it ?“ A stratum may get bent by sliding over“ another stratum — be it so : the play of« crystallization, the accident of shrinking,“ may produce inflexions in heterogeneous“ rocks. I will not dispute even that; but“ that either of these causes, or both of“ them, however modified, could pro-“ duce this great movement, preserving“ the harmony of the whole, yet spreading“ disorder through all the parts, is a doc-“ trine contradicted by the disposition and“ nature of the ingredients, by the structure“ of the masses, by a comparison of the“ facts, and by the aspect of the spot.”

“ Here are no beds which any one can“ suspect of having been once regularly“ horizontal, continuous, and of equal thick-

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