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 x
... types of life - Modern origin of existing animals and plants - Reference of fossil forms to the existing primary divisions of the animal kingdom - Depart- ure of the older types of life from those now in existence - Re- semblance of the ...
... types of life - Modern origin of existing animals and plants - Reference of fossil forms to the existing primary divisions of the animal kingdom - Depart- ure of the older types of life from those now in existence - Re- semblance of the ...
Página xii
... types of Molluscs - Fishes— Amphibians - Reptiles - Supposed footprints of Birds - Mammals -Literature , 203-225 CHAPTER XVI . The Jurassic period - General sequence and subdivisions of the Juras- sic deposits in Britain - Jurassic ...
... types of Molluscs - Fishes— Amphibians - Reptiles - Supposed footprints of Birds - Mammals -Literature , 203-225 CHAPTER XVI . The Jurassic period - General sequence and subdivisions of the Juras- sic deposits in Britain - Jurassic ...
Página xiii
... types of life — High organisation of many early forms — Bear- ings of Paleontology on the general doctrine of Evolution , APPENDIX . - Tabular view of the chief Divisions of the Animal Kingdom , • 367-374 GLOSSARY , INDEX , · 375-378 ...
... types of life — High organisation of many early forms — Bear- ings of Paleontology on the general doctrine of Evolution , APPENDIX . - Tabular view of the chief Divisions of the Animal Kingdom , • 367-374 GLOSSARY , INDEX , · 375-378 ...
Página 57
... types of animals and plants which have passed away . There are also numerous speculative questions in the domain of vital science , which , if soluble at all , can only hope to find their key in researches carried out on extinct ...
... types of animals and plants which have passed away . There are also numerous speculative questions in the domain of vital science , which , if soluble at all , can only hope to find their key in researches carried out on extinct ...
Página 58
... types , " which extend through a succession of geological periods with very little modification . Thus the existing Lampshells of the genus Lingula are little changed from the Lingula which swarmed in the Lower Silurian seas ; and the ...
... types , " which extend through a succession of geological periods with very little modification . Thus the existing Lampshells of the genus Lingula are little changed from the Lingula which swarmed in the Lower Silurian seas ; and the ...
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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...