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Show Isr.. We have seen that everything on ,. the earth's surface exposed to the in-fiuenees in-fiuenees pf air, water, light and heat , , iosejcohesion snd'orumbles down, and we call this decay. This .occurs with rocks, and the product of this, decay, whftn itcfcmejMa be mixed with the remains, of vegetables and animals, constitute coil. The black matter, of the soil with which'" the earth U covered, cov-ered, from inches, to feet, m the tiro. Iered, irom inches, to feet, ia the pro duotionammala andlantsy andBV not formed . Jnrapy other way, ; conutUtttfjjj& 1 0 made "tip 'from 'the V produc. gf jfjjjj decomposition, of dr and, wfc'eiew found? they lvii'been'.px'oduced by fcbe,,co& densatjon of -substance's; from UreilS? mospherc Hj&gH, ,the intetvAriffonE? v plant and aminala. The soil, there-; there-; forests the iwterm.sdi.-5te link bet ween . the atmosphere; qu the one hand,. anc ; . plants and animals on the other. By the condc-naation of the four elements IV carbon, hydrogen, nitrogen and oxy-". oxy-". Ee' frpu the atmosphere, upon the ftvth, during the first growth of plants, and by the continual incroase of this condensation in living plants, and by the production thereby of the black organic' 'substances we find in the ground, this black substance hag been intimately mixed with the product of decaying rock3,so that wk have armature arma-ture of organic and inorganic materials mater-ials to form the soilthose substances derived from the mineral kingdom be-v. be-v. inorganic, whilst those pro- t gnoed by. vegetables and animals are |