Life on the Earth: Its Origin and SuccessionMacmillan and Company, 1860 - 224 من الصفحات |
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الصفحة 35
... Lias the same principles of watery propulsion , by the tail and lateral paddles , as in the Fish , Turtles and Alligators of the present period . One general idea runs through the whole series , the propulsive power is worked by a ...
... Lias the same principles of watery propulsion , by the tail and lateral paddles , as in the Fish , Turtles and Alligators of the present period . One general idea runs through the whole series , the propulsive power is worked by a ...
الصفحة 53
... Lias is best exhibited ( in England ) in the Vale of the Severn . The uppermost chalk of Maestricht and the region of Bayonne softens the break which in England appears so decisive at the base of the Cano- zoic strata ; and thus , with ...
... Lias is best exhibited ( in England ) in the Vale of the Severn . The uppermost chalk of Maestricht and the region of Bayonne softens the break which in England appears so decisive at the base of the Cano- zoic strata ; and thus , with ...
الصفحة 62
... Lias , Oxford Clay , Kimmeridge Clay , Gault , London Clay and Barton Clay . An illustration is subjoined from the Lower Paleozoic Strata of Britain . Fig . 3 . 3 114 123 78 49 15 113 3 In this 62 LIFE ON THE EARTH .
... Lias , Oxford Clay , Kimmeridge Clay , Gault , London Clay and Barton Clay . An illustration is subjoined from the Lower Paleozoic Strata of Britain . Fig . 3 . 3 114 123 78 49 15 113 3 In this 62 LIFE ON THE EARTH .
الصفحة 92
... T. punctata of the Lias , T. ornitho- cephala of the Inferior Oolite and Fullers ' Earth Rocks , and T. digona of the Great Oolite , or another series such as T. sacculus of the Carboniferous , T. 92 LIFE ON THE EARTH .
... T. punctata of the Lias , T. ornitho- cephala of the Inferior Oolite and Fullers ' Earth Rocks , and T. digona of the Great Oolite , or another series such as T. sacculus of the Carboniferous , T. 92 LIFE ON THE EARTH .
الصفحة 93
... Lias to the Mountain Limestone . Little difference appears between T. striata of the Chalk and T. caput serpentis of the Sea , nor is T. fimbria of the Inferior Oolite very unlike the recent T. Australis . If we choose among ...
... Lias to the Mountain Limestone . Little difference appears between T. striata of the Chalk and T. caput serpentis of the Sea , nor is T. fimbria of the Inferior Oolite very unlike the recent T. Australis . If we choose among ...
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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
مقاطع مشهورة
الصفحة 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.
الصفحة 11 - The Nature of the Atonement, and its Relation to Remission of Sins and Eternal Life.
الصفحة 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.
الصفحة 15 - British Novelists and their Styles. Being a Critical Sketch of the History of British Prose Fiction. Crown 8vo. 7s. 6d. Life of John Milton.
الصفحة 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.
الصفحة 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.
الصفحة 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.
الصفحة 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.
الصفحة 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...
الصفحة 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.