Vestiges of the natural history of creation [by R. Chambers].John Churchill, Princes Street, Soho, 1853 - 356 páginas |
No interior do livro
Resultados 1-5 de 32
Página xi
... Tertiary Formation . - Mammalia Abundant . 95 Era of the Superficial Formations - Existing Specific Forms Abundant . 104 . General Considerations respecting the Origin of the Animated Tribes 111 Particular Considerations respecting the ...
... Tertiary Formation . - Mammalia Abundant . 95 Era of the Superficial Formations - Existing Specific Forms Abundant . 104 . General Considerations respecting the Origin of the Animated Tribes 111 Particular Considerations respecting the ...
Página 31
... Tertiary Period , -these also giving groups of species all but distinct . Under each period are reckoned certain systems , more or less organically distinct , and these we shall now proceed to treat separately . LOWER AND UPPER SILURIAN ...
... Tertiary Period , -these also giving groups of species all but distinct . Under each period are reckoned certain systems , more or less organically distinct , and these we shall now proceed to treat separately . LOWER AND UPPER SILURIAN ...
Página 56
... tertiary formation . Calamites cannaformis . The club - moss family ( lycopodiacea ) are other plants of the present surface , usually seen in a lowly and creeping form in temperate latitudes , but FIG . 28 . Lycopodites pinnatus ...
... tertiary formation . Calamites cannaformis . The club - moss family ( lycopodiacea ) are other plants of the present surface , usually seen in a lowly and creeping form in temperate latitudes , but FIG . 28 . Lycopodites pinnatus ...
Página 95
... TERTIARY FORMATION . - MAMMALIA ABUNDANT . THE chalk - beds are the highest which extend over a considerable space ; but in hollows of these beds , comparatively ... TERTIARY FORMATION . 95 Era of the Tertiary Formation -Mammalia Abundant.
... TERTIARY FORMATION . - MAMMALIA ABUNDANT . THE chalk - beds are the highest which extend over a considerable space ; but in hollows of these beds , comparatively ... TERTIARY FORMATION . 95 Era of the Tertiary Formation -Mammalia Abundant.
Página 96
... tertiary formation must be considered as the beds of estuaries and gulfs , left at the conclusion of the cretaceous period . We have seen that an estuary , either by the drifting up of its mouth , or a change of level in that quarter ...
... tertiary formation must be considered as the beds of estuaries and gulfs , left at the conclusion of the cretaceous period . We have seen that an estuary , either by the drifting up of its mouth , or a change of level in that quarter ...
Outras edições - Ver tudo
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...