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mpt to get rid of one difficulty by creating another far greater. Chemists are equally at fault, in endeavoring to unvail the mysterious processes of Life. Before its power they stand abashed. For Life controls matter, and to a great extent overrules its combinations. An organized being is not held together by ordinary chemical affinity; nor can chemistry do any thing toward compounding organized tissues. The principles which enter into the composition of the organized being are few, the chief being charcoal and water, but into what wondrous forms does Life mould these common elements! The chemist can tell you what these elements are, and how they are combined, when dead; but when living, they resist all his power of analysis. Rudolphi confesses that chemistry is able to investigate only the lifeless remains of organized beings. There are some remarkable facts connected with Animal Chemistry--if we may employ the term--which show how superior is the principle of Life to all known methods of synthesis and analysis. For example, much more carbon or charcoal is regularly voided from the respiratory organs alone, of all living beings--not to speak of its ejection in many other ways--than can be accounted for, as having in any way entered the system. They also produce and eject much more nitrogen than they inhale. The mushroom and mustard plant, though nourished by pure water containing no nitrogen, give it off abundantly; the same is the case with zoophytes attached to rocks at the bottom of the sea; and reptiles and fishes contain it in abundance, though living and growing in pure water only. Again, plants which grow on sand containing not a particle of lime, are found to contain as much of this mineral as those which grow in a calcareous soil; and the bones of animals in New South Wales, and other districts where not an atom of lime is to be found in the soil, or in the plants from which they gather their food, contain the usual proportion of lime, though it remains an entire mystery to the chemist where they can have obtained it. The same fact is observable in the egg-shells of hens, where lime is produced in quantities for which the kind of food taken is altogether inadequate to account: as well as in the enormous deposits of coral-rock, consisting of almost pure lime, without any manifest supply of that ingredient. Chemistry fails to unravel these mysterious facts; nor can it account for the abundant production of so
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