Life on the Earth: Its Origin and Succession |
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Page 22
... . The distribution of particular groups of animals is quite as limited as that of plants , and this is true not only for land - animals but for the inhabitants of the sea and the free wanderers of the air . 22 LIFE ON THE EARTH .
... . The distribution of particular groups of animals is quite as limited as that of plants , and this is true not only for land - animals but for the inhabitants of the sea and the free wanderers of the air . 22 LIFE ON THE EARTH .
Page 26
... find Plants to be ranked in two divisions : - Phanerogamous or flowering and seed - bearing , and Cryptogamous or flowerless plants deficient of true seeds . These may be again subdivided so as to make four 26 LIFE ON THE EARTH .
... find Plants to be ranked in two divisions : - Phanerogamous or flowering and seed - bearing , and Cryptogamous or flowerless plants deficient of true seeds . These may be again subdivided so as to make four 26 LIFE ON THE EARTH .
Page 27
... true sta- mens , pistils , spiral vessels , or seeds . 1. Dicotyledones . Embryo with two seed - lobes , stem growth outward , leaves reticu- lated , symmetry quinary or quaternary ( as Ranunculacea , Rosacea , Labiata , Conifera ) . 2 ...
... true sta- mens , pistils , spiral vessels , or seeds . 1. Dicotyledones . Embryo with two seed - lobes , stem growth outward , leaves reticu- lated , symmetry quinary or quaternary ( as Ranunculacea , Rosacea , Labiata , Conifera ) . 2 ...
Page 35
... true Astacidę in those remote ages as it is still found to be in the corresponding groups living together in the ocean . Equally curious to notice in the Ichthyosaurus and Teleosaurus of the Lias the same principles of watery propulsion ...
... true Astacidę in those remote ages as it is still found to be in the corresponding groups living together in the ocean . Equally curious to notice in the Ichthyosaurus and Teleosaurus of the Lias the same principles of watery propulsion ...
Page 86
... true for the Mesozoic series ; and even in the Cenozoic strata Alcyonoid Zoophyta are rare . Here , then , is one great order of Zoophyta continuous through the whole series . The genera change with the successive deposits , but there ...
... true for the Mesozoic series ; and even in the Cenozoic strata Alcyonoid Zoophyta are rare . Here , then , is one great order of Zoophyta continuous through the whole series . The genera change with the successive deposits , but there ...
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Common terms and phrases
according ages ancient animals appear atmosphere Author beds Book British Cenozoic character classes climate cloth Coal coast collected compared considerable continual Crown 8vo Crustacea currents deposits direction distribution earlier earth Edition effect equal evidence example existing fact families feet Fishes force forms fossil genera geological gives globe greater groups growth heat History hypothesis idea indicated influence kind known land laws less limited living marine mass mean measure Mesozoic Mollusca nature nearly observed occur ocean Oolitic organic origin Paleozoic perhaps period plants plants and animals Pleistocene present probably produced proportion races recent regard regions remains remarkable represented require result rivers rocks Second sediments shells similar space species Strata structure successive suppose surface temperature Tertiary thickness tion traced University Upper variations variety waste whole zone
Popular passages
Page 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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Page 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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Page 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.
Page 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.
Page 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.
Page 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.
Page 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...
Page 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.