Life on the Earth: Its Origin and SuccessionMacmillan and Company, 1860 - Всего страниц: 224 |
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Стр. 53
... Coal series , but on the borders of the Staffordshire Coal - field it seems otherwise , and the sequence appears to be nearly complete . Again , the passage of the Permian strata into the Triassic group is more full in the south of ...
... Coal series , but on the borders of the Staffordshire Coal - field it seems otherwise , and the sequence appears to be nearly complete . Again , the passage of the Permian strata into the Triassic group is more full in the south of ...
Стр. 109
... Coal - formation . The Upper part of the Old Red Sand- stone of Ireland . And besides , there are several cases of the inter- mixture of land - plants and insects and sea - shells , only to be explained by the flowing of currents from ...
... Coal - formation . The Upper part of the Old Red Sand- stone of Ireland . And besides , there are several cases of the inter- mixture of land - plants and insects and sea - shells , only to be explained by the flowing of currents from ...
Стр. 111
... Coal - formations . Unio , several species , common , 99 with land - plants , Lepidoden- dron , & c . Cyprides , & c . Upper Old Red . Unio , in one locality , with Ferns . Here we have the remarkable fact of decided affinity in the ...
... Coal - formations . Unio , several species , common , 99 with land - plants , Lepidoden- dron , & c . Cyprides , & c . Upper Old Red . Unio , in one locality , with Ferns . Here we have the remarkable fact of decided affinity in the ...
Стр. 114
... Coal Strata , and in Strata above them . Freshwater Chelonians are recognized in the Strata of Purbeck and in Tertiary deposits . 1 Croc . Harsingsiæ . 2 Teleosaurus and Steneosaurus . The Stagonolepis of Elgin . 4 Rhynchosaurus of ...
... Coal Strata , and in Strata above them . Freshwater Chelonians are recognized in the Strata of Purbeck and in Tertiary deposits . 1 Croc . Harsingsiæ . 2 Teleosaurus and Steneosaurus . The Stagonolepis of Elgin . 4 Rhynchosaurus of ...
Стр. 115
... Coal - formation we find an abun- dance of Unionidæ , often buried in colonies as they lived , in layers of fine sediment , alternating with Coal Strata , accumulated towards the margin of the sea , we may easily connect in imagination ...
... Coal - formation we find an abun- dance of Unionidæ , often buried in colonies as they lived , in layers of fine sediment , alternating with Coal Strata , accumulated towards the margin of the sea , we may easily connect in imagination ...
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affinity ages Ammonites Amorphozoa ancient Annelida appear atmosphere beds Brachiopoda British BROOKE FOSS WESTCOTT Carbon Carboniferous Cenozoic Cenozoic Strata Cephalopoda Cetacea Chalk classes Clay climate cloth creation Cretaceous Crocodilia Crown 8vo Crustacea deposits Dimyaria distribution earlier earliest earth Echinodermata effect English epoch equal examples existing Fcap Fishes forms fossil freshwater Gasteropoda genera genus geological gilt leaves globe Goniatites groups heat History hypothesis Insects land Lias limestone limited Lingula living Llandeilo Mammalia marine mean temperature Mesozoic Mesozoic Period modern Oceans Mollusca Monomyaria naturalists nature number of species occur Oolitic organic origin Paleozoic Paleozoic Strata perhaps phenomena plants and animals Polyzoa prevalent Professor races recent regard remarkable Reptiles rivers rocks Royal 16mo Second Edition sediments Sermons shells shew Silurian Stonesfield Strata structure succession suppose surface Teleosaurus thickness tion traced University of Cambridge Upper variations vegetable whole zone Zoophyta وو
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Стр. 202 - As all the living forms of life are the lineal descendants of those which lived long before the Cambrian epoch, we may feel certain that the ordinary succession by generation has never once been broken, and that no cataclysm has desolated the whole world.
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Стр. 203 - 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.
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Стр. 9 - Characteristics of the Gospel Miracles. Sermons preached before the University of Cambridge. With Notes. Crown 8vo. 4s. 6d. Introduction to the Study of the Four Gospels. Third Edition. Crown 8vo.
Стр. 202 - Therefore I should infer from analogy that probably all the organic beings which have ever lived on this earth, have descended from some one primordial form, into which life was first breathed.
Стр. 201 - I formerly entertained, namely, that each species has been independently created, is erroneous. I am fully convinced that species are not immutable; but that those belonging to what are called the same genera are lineal descendants of some other and generally extinct species, in the same manner as the acknowledged varieties of any one species are the descendants of that species. Furthermore, I am convinced that Natural Selection has been the main, but not exclusive, means of modification.
Стр. 201 - I cannot doubt that the theory of descent with modification embraces all the members of the same great class or kingdom. I believe that animals are descended from at most only four or five progenitors, and plants from an equal or lesser number.
Стр. 203 - It is interesting to contemplate an entangled 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...
Стр. 186 - The intermixture of distinct species is guarded against by the aversion of the individuals composing them to sexual union, or by the sterility of the mule offspring. It does not appear that true hybrid races have ever been perpetuated for several generations, even by the assistance of man; for the cases usually cited relate to the crossing of mules with individuals of pure species, and not to the intermixture of hybrid with hybrid.