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 xii
... Reptiles - Literature , ---- CHAPTER XV . 192-203 The Triassic period - General characters and subdivisions of the Trias of the Continent of Europe and Britain - Trias of North America -Life of the period - Plants - Echinoderms ...
... Reptiles - Literature , ---- CHAPTER XV . 192-203 The Triassic period - General characters and subdivisions of the Trias of the Continent of Europe and Britain - Trias of North America -Life of the period - Plants - Echinoderms ...
Página 11
... reptiles , or quadrupeds upon sand or mud , are just as much proofs of the former existence of these animals as would be bones , feathers , or scales , though in themselves they are inorganic . Under the head of fossils , therefore ...
... reptiles , or quadrupeds upon sand or mud , are just as much proofs of the former existence of these animals as would be bones , feathers , or scales , though in themselves they are inorganic . Under the head of fossils , therefore ...
Página 53
... Reptiles , and Flying Mammals might also simi- larly find their way into aqueous deposits ; but it is to be re- membered that many birds and mammals habitually spend a great part of their time in the water , and that these might there ...
... Reptiles , and Flying Mammals might also simi- larly find their way into aqueous deposits ; but it is to be re- membered that many birds and mammals habitually spend a great part of their time in the water , and that these might there ...
Página 189
... reptiles , being distinguished from the latter by the fact that its members invariably possess gills in their early condition , if not throughout life ; whilst they are separated from the former by always possessing true lungs when ...
... reptiles , being distinguished from the latter by the fact that its members invariably possess gills in their early condition , if not throughout life ; whilst they are separated from the former by always possessing true lungs when ...
Página 191
... Reptiles , Birds , or Quadrupeds have as yet been certainly detected in the Carboniferous deposits in any part of ... reptile ( Eosaurus Acadianus ) , allied to the great Ichthyosauri of the Lias . Up to this time no confirmation of this ...
... Reptiles , Birds , or Quadrupeds have as yet been certainly detected in the Carboniferous deposits in any part of ... reptile ( Eosaurus Acadianus ) , allied to the great Ichthyosauri of the Lias . Up to this time no confirmation of this ...
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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
Pasajes populares
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...