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ame kind. In the stricter sciences, the 'Principia' of Newton, and in later times its continuation and extension in La Place's 'Mecanique Celeste;' in intellectual philosophy, Locke's celebrated work; in oratory, Demosthenes; in poetry, Homer, leave all competitors behind by the common consent of mankind; and Cuvier's researches in fossil osteology will probably be reckoned to prefer an equal claim to distinction among the works on comparative anatomy." "If," says Cuvier, "you have but the extremity of a bone well preserved, you may, by attention, consideration, and the aid of resources which analogy furnishes to skill, determine all the rest as well as if you had the entire skeleton submitted to you." The great scientific value of the work lies in its comparative anatomy, creating as it were (as we have said) the science of palaeontology at a leap; but there are in it also sundry other philosophical deductions in geology, such as the following: that in the strata called primitive there are no remains of life or organized existence;--that all organized existences were not created at the same time, but at different times, probably very remote from each other, vegetables before animals, the mollusca and fishes before reptiles, and the latter before the mammalia;--that the transition limestone exhibits remains of the lowest forms of existence; and the chalk and clay conceal the remains of fishes, reptiles, and quadrupeds, beings of a former order of things, which have now disappeared;--that among fossil remains no vestige appears of man or his works; that the fossil remains in the more recent strata are those which approach nearest to the present type of the corresponding living species; and that these strata show the former prevalence of fresh water as well as sea-water. The extraordinary sagacity of Cuvier, coupled with his extensive knowledge, qualified him for the execution of this herculean task. His power of geological classification sprang out of his zooelogical skill, and he was a great pioneer in previously unexplored fields of research, where relations between the organic and inorganic changes of the earth were revealed to the eye of the philosopher. "His guiding ideas had been formed, his facts had been studied, by the assistance of all the sciences which could be made to bear upon them. In his geological labors he seems to see some beautiful temple, not only firm and fair in itself, but decorated with scu
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