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OF THE LEADING ARGUMENT OF NATURAL THEOLOGY ; THAT DESIGN, OR THE ADAPTATION OF MEANS TO AN END, EXISTS IN NATURE. A FULL exposition of the argument of design does not belong to this Treatise. In these introductory observations, we shall, therefore, confine ourselves to a statement of the argument, as deducible from a simple instance of the adaptation of means to an end, among the objects of nature: we shall then enquire into the validity of the argument of design; and shall show the conclusions to which that argument leads.

Hence the grand source of that longing after a future state, where his knowledge will be consummated, and where he will no longer " see through a glass darkly"—notions at once the result and reward 8 INTRODUCTION. of his reason, and which raise him far above all other animals. We have endeavoured to illustrate the argument of design, by one of those obvious examples of the adaptation of means to an end among the objects of nature, which impress on man a belief in the existence of design, and of a Designer.

These are general laws, and when a particular purpose is to be effected, it is not by making them wind and bend and yield to the occasion, (for nature with, great steadiness adheres to, and supports them,) but it is, as we have seen in the eye, by the interposition of an apparatus corresponding with these laws, and suited to the exigency which results from them, that the purpose is at length attained. As we have said, therefore, God prescribes limits to his power, that he may let in the exercise, and thereby exhibit demon- OPERATION OF PHYSICAL AGENTS, ETC.

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Selective hidrolysis of dialkyl ethers of protocatechuic aldehyde (patent)

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