The past and present life of the globe, a sketch of the world's life-system1861 |
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Стр. 11
... 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 being.— Palæontology so ...
... 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 being.— Palæontology so ...
Стр. 12
... period : 1. The Cambrian age - so - called " Dawn of Life . " 2 . The Silurian age . - Erroneous notions respecting its physical geography and life - relations . - Its vegetation , graptolites , corals , star - fishes , shell - fish ...
... period : 1. The Cambrian age - so - called " Dawn of Life . " 2 . The Silurian age . - Erroneous notions respecting its physical geography and life - relations . - Its vegetation , graptolites , corals , star - fishes , shell - fish ...
Стр. 13
... periods . - Similarity of functions and life- relations . Distribution in space .-- External conditions never uniform . Representatives of the great life - types in every epoch . Gradation and progress . - The course and apparent order ...
... periods . - Similarity of functions and life- relations . Distribution in space .-- External conditions never uniform . Representatives of the great life - types in every epoch . Gradation and progress . - The course and apparent order ...
Стр. 46
... periods at which the higher animals and man are present to reap the advantages of their more varied utilities . Such are the leading features of the great groups of the vegetable kingdom - groups to which we shall have frequent occasion ...
... periods at which the higher animals and man are present to reap the advantages of their more varied utilities . Such are the leading features of the great groups of the vegetable kingdom - groups to which we shall have frequent occasion ...
Стр. 67
... . The Present is ever the safest guide to the Past ; the Ex- tinct is ever most clearly illuminated by the light reflected from the Existing . E THE RECORD . ROCK - FORMATIONS AND LIFE - PERIODS ITS FLORA AND FAUNA . 67.
... . The Present is ever the safest guide to the Past ; the Ex- tinct is ever most clearly illuminated by the light reflected from the Existing . E THE RECORD . ROCK - FORMATIONS AND LIFE - PERIODS ITS FLORA AND FAUNA . 67.
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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...