Vestiges of the natural history of creation [by R. Chambers].John Churchill, Princes Street, Soho, 1853 - 356 páginas |
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Página 68
... thecodonts , monitors , etc. ) , but for the most part of gigantic size , and differing from modern lizards in very remarkable characters of the vertebræ , teeth , and dermal plates . To them , as to all the reptiles of this FIG . 34 ...
... thecodonts , monitors , etc. ) , but for the most part of gigantic size , and differing from modern lizards in very remarkable characters of the vertebræ , teeth , and dermal plates . To them , as to all the reptiles of this FIG . 34 ...
Página 69
... thecodonts and palæosaurs were fixed in distinct sockets , like those of the modern crocodiles . In this respect , they were superior to the modern varanians , the nearest living tribes , which have the teeth imbedded in comparatively ...
... thecodonts and palæosaurs were fixed in distinct sockets , like those of the modern crocodiles . In this respect , they were superior to the modern varanians , the nearest living tribes , which have the teeth imbedded in comparatively ...
Página 76
... thecodonts , must have rendered it a much less formidable creature than that last described . Professor Owen regards it as fitted to live near shores and to ascend estuaries . The attention of the geologists of the United States has ...
... thecodonts , must have rendered it a much less formidable creature than that last described . Professor Owen regards it as fitted to live near shores and to ascend estuaries . The attention of the geologists of the United States has ...
Página 180
... thecodonts which pos- sessed that feature ) , have been presented together as objections to the theory of Progressive Development , without its being seen that the one fact suggests an explanation of the other , making out a support ...
... thecodonts which pos- sessed that feature ) , have been presented together as objections to the theory of Progressive Development , without its being seen that the one fact suggests an explanation of the other , making out a support ...
Página 218
... thecodonts of the nearly contemporary dolomitic conglomerate of Redland near Bristol , were among the patriarchs of these families . The Mosasaurus , the Geosaurus , and the Megalosaurus , were likewise huge early specimens of this ...
... thecodonts of the nearly contemporary dolomitic conglomerate of Redland near Bristol , were among the patriarchs of these families . The Mosasaurus , the Geosaurus , and the Megalosaurus , were likewise huge early specimens of this ...
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Palavras e frases frequentes
admitted advance affinity Agassiz America amongst animal kingdom Annelides appear aquatic belemnites birds bivalve body brachiopods brain called carboniferous carnivorous cephalopoda character civilization cloth connexion creation cretaceous Crinoidea crustacea Devonian dicotyledons DISEASES distinct earth eocene example existence external fact faculties favour Fcap feet fishes formation fossils gasteropods genera genus geological globe grade habits herbivorous higher human hypothesis Ichthyosaur idea Illustrations inferior Infusoria insects instances invertebrate kind land language larvæ living mammæ mammalia manner marine matter Medical mental mind mode mollusks naturalists nature observed oolite organic origin peculiar phenomena plants portion Post 8vo present principle produced Professor race regard regions remarkable reptiles resemblance respect rocks saurian says Second Edition Sedgwick seen shells species stirps strata structure superior supposed surface tertiary thecodonts tion trace tribes Trilobites vegetable vertebrata vertebrate whole
Passagens conhecidas
Página lx - Thus, the production of new forms, as shewn in the pages of the geological record, has never been anything more than a new stage of progress in gestation, an event as simply natural, and attended as little by any circumstances of a wonderful or startling kind, as the silent advance of an ordinary mother from one week to another of her pregnancy.
Página 329 - A law presupposes an agent, for it is only the mode according to which an agent proceeds: it implies a power, for it is the order according to which that power acts. Without this agent, without this power, which are both distinct from itself, the law does nothing, is nothing. The expression, "the law of metallic nature...