The Ancient Life-history of the Earth: A Comprehensive Outline of the Principles and Leading Facts of Palæontological ScienceD. Appleton & Company, 1878 - 407 páginas |
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Página v
... require nothing more than a comparatively general attention . In a former work , the Author has endeavoured to furnish a summary of the more important facts of Paleontology regarded in its strictly scientific aspect , as a.
... require nothing more than a comparatively general attention . In a former work , the Author has endeavoured to furnish a summary of the more important facts of Paleontology regarded in its strictly scientific aspect , as a.
Página vi
... important zoological characters and their relations to living forms ; but the technical language of Zoology has been avoided , and the aid of illustrations has been freely called into use . It may therefore be hoped that the work may be ...
... important zoological characters and their relations to living forms ; but the technical language of Zoology has been avoided , and the aid of illustrations has been freely called into use . It may therefore be hoped that the work may be ...
Página 6
... important point for us , in the present connection , is the bearing of these opposing doctrines upon the question . as to the origin of the existing terrestrial order . On any doc- trine of uniformity that order has been evolved slowly ...
... important point for us , in the present connection , is the bearing of these opposing doctrines upon the question . as to the origin of the existing terrestrial order . On any doc- trine of uniformity that order has been evolved slowly ...
Página 10
... importance as throwing light upon vari- ous difficult problems in geology , in natural history , in botany , and in philosophy . Their study constitutes the science of palæontology ; and though it is possible to proceed to a cer- tain ...
... importance as throwing light upon vari- ous difficult problems in geology , in natural history , in botany , and in philosophy . Their study constitutes the science of palæontology ; and though it is possible to proceed to a cer- tain ...
Página 15
... importance as to require special notice here . 66 For all practical purposes , we may consider that the Aque- ous Rocks are the natural cemetery of the animals and plants of bygone ages ; and it is therefore essential that the palæon ...
... importance as to require special notice here . 66 For all practical purposes , we may consider that the Aque- ous Rocks are the natural cemetery of the animals and plants of bygone ages ; and it is therefore essential that the palæon ...
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Términos y frases comunes
abundant allied Amongst ancient animals attain beds belong Birds Bivalves bones bony Brachiopods Britain calcareous Cambrian carbonate Carboniferous Chalk characteristic clays coal Coal-measures composed consists contain Corals Cretaceous Crinoids Crustaceans Cycads deposits Devonian Elephants Eocene Europe existing species extinct genus feet fishes Foraminifera formation forms fossils Ganoids genera genus Geol geological gigantic Glacial Graptolites Greensand horny Journ Jurassic known Lastly Laurentian less Lias lime limestones living Lower Silurian Mammals marine Mesozoic Miocene Mollusca natural North America numerous occur Old Red Sandstone Oolitic organic origin Owen Palæontographical Society Paleozoic period Permian plants plates Pliocene portion possessed Post-Pliocene present day principal Pterosaurs Quadrupeds regarded represented Reptiles resembling Rhinoceros rocks sands shales shell singular siphuncle skeleton skull Slates strata structure surface tail teeth Tertiary thickness tion tooth Trias Triassic Trilobites types Univalves Upper Miocene Upper Silurian vertebræ whilst yielded the remains
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Página 244 - Ichthyosaurus to cut through the waves. May it not therefore be concluded (since, in addition to these circumstances, its respiration must have required frequent access of air), that it swam upon or near the surface, arching back its long neck like a swan, and occasionally darting it down at the fish which happened to float within its reach.
Página 366 - Description of the skeleton of an extinct gigantic sloth, Mylodon robustus, Owen, with observations on the osteology, natural affinities, and probable habits of the megatherioid quadrupeds in general, London, 4to., 176 pp., 24 pis., 1842.
Página 363 - Eagles, owls, and gulls pursue their prey along the sea-coast; ptarmigan run in troops amongst the bushes; little snipes are busy along the brooks, and in the morasses; the social crows seek the neighbourhood of men's habitations ; and, when the sun shines in spring, one may even sometimes hear the cheerful note of the finch, and in autumn, that of the thrush...
Página 291 - ... formation occupies a middle place in the Eocene series, we are struck with the comparatively modern date to which some of the greatest revolutions in the physical geography of Europe, Asia, and northern Africa must be referred. All the mountain chains, such as the Alps, Pyrenees, Carpathians, and Himalayas, into the composition of whose central and loftiest parts the nummulitic strata enter bodily, could have had no existence till after the middle Eocene period."— Manual, p. 232. A still more...