The past and present life of the globe, a sketch of the world's life-system1861 |
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Стр. 11
... formations and Life - periods . - Principles and methods of this arrangement . Continuity of natural law . - Provisional and negative state of geological knowledge as influencing our comprehension of the successional order of organic ...
... formations and Life - periods . - Principles and methods of this arrangement . Continuity of natural law . - Provisional and negative state of geological knowledge as influencing our comprehension of the successional order of organic ...
Стр. 23
... formations , which was formerly in a great measure a matter of hap - hazard , is now a certainty . Fifty years ago the miner and engineer had little to direct them in their researches , save the very variable tints of colour , the ...
... formations , which was formerly in a great measure a matter of hap - hazard , is now a certainty . Fifty years ago the miner and engineer had little to direct them in their researches , save the very variable tints of colour , the ...
Стр. 27
... formations below may now find their nearest ana- logues in the flora and fauna of distant and diversified regions . If we are familiar , however , with the general con- ditions under which plants and animals now live and flourish , and ...
... formations below may now find their nearest ana- logues in the flora and fauna of distant and diversified regions . If we are familiar , however , with the general con- ditions under which plants and animals now live and flourish , and ...
Стр. 30
... formation , which took place thousands of ages ago . Still further , and apparently altogether independent of climate certain families are restricted to certain regions , beyond which , and under the present arrangements of sea and land ...
... formation , which took place thousands of ages ago . Still further , and apparently altogether independent of climate certain families are restricted to certain regions , beyond which , and under the present arrangements of sea and land ...
Стр. 36
... formations a number of forms that stand intermediate between existing orders and families , and of which we have now no living representatives . Still , these forms never diverge so widely from any of the existing families but that ...
... formations a number of forms that stand intermediate between existing orders and families , and of which we have now no living representatives . Still , these forms never diverge so widely from any of the existing families but that ...
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abundance acrogens affinities America annelids appear areas aspects become birds bivalves botanist brachiopods cainozoic carboniferous cephalopods chalk character characterised climate club-mosses coal corals creation creatures CRETACEOUS crust crustaceans cycads deposits Devonian dicotyledonous earth's encrinites endogens eocene epoch equisetums estuaries Europe eurypterus evidence existing nature exogens external conditions extinct exuberant ferns fishes flora and fauna forest forms fossil fragments functions gasteropods genera and species genial geological geologists gigantic globe glyptodons growth gymnogens higher indicated latitudes limestones lower mammals marine marsupial mesozoic MOLLUSCA neozoic northern hemisphere numerous ocean Octavo old red sandstone oolite organic organisation palæontology paleontologist paleozoic palms peculiar period physical plants and animals pliocene present primal progress pterygotus races regions reptiles sauroid sea and land sea-urchins sea-weeds sediments shell-fish shores Silurian stage star-fishes strata structure terrestrial tertiary throng tion trace tree-ferns triassic trilobites true varied variety vegetable vertebrate vitality waters zoologist
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Стр. 211 - There is grandeur in this view of life, with its several powers, having been originally breathed by the Creator into a few forms or into one; and that, whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been, and are being evolved.
Стр. 210 - It is interesting to contemplate a tangled bank clothed with many plants of many kinds, with birds singing on the bushes, with various insects flitting about, and with worms crawling through the damp earth, and to reflect that these elaborately constructed forms, so different from each other, and dependent on each other in so Complex a manner, have all been produced by laws acting around us.
Стр. 54 - That, chang'd thro' all, and yet in all the same, Great in the earth, as in th' ethereal frame ; Warms in the sun, refreshes in the breeze; Glows in the stars, and blossoms in the 'trees ; Lives through all life, extends through all extent, Spreads undivided, operates unspent...
Стр. 210 - These laws, taken in the largest sense, being Growth with Reproduction ; Inheritance which is almost implied by Reproduction ; Variability from the indirect and direct action of the conditions of life, and from use and disuse...