Geology and Mineralogy Considered with Reference to Natural Theology, Parte 1W. Pickering, 1836 - 599 páginas |
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Página 150
... column is of moderate size , but there is an enlargement of the vertebræ of the loins , corresponding with the extraordinary bulk of the pelvis and hind legs ; the summits of the spinous processes , ( e , ) are flattened like those in ...
... column is of moderate size , but there is an enlargement of the vertebræ of the loins , corresponding with the extraordinary bulk of the pelvis and hind legs ; the summits of the spinous processes , ( e , ) are flattened like those in ...
Página 177
... column in the Ichthyosaurus was composed of more than one hundred joints ; and * The coronoid bone , ( x ) is interposed between the dental , ( a ) , and opercular ( & ) , its fibres have a slanting direction , whilst those of the two ...
... column in the Ichthyosaurus was composed of more than one hundred joints ; and * The coronoid bone , ( x ) is interposed between the dental , ( a ) , and opercular ( & ) , its fibres have a slanting direction , whilst those of the two ...
Página 178
... column great strength , and power of rapid flexion in the water . But as the inflections in the perpen- dicular direction are less necessary than in the lateral , they are limited by the overlapping , or contiguity of the spines . This ...
... column great strength , and power of rapid flexion in the water . But as the inflections in the perpen- dicular direction are less necessary than in the lateral , they are limited by the overlapping , or contiguity of the spines . This ...
Página 179
... column , and assisting its vibratory motions ; for , had these parts been consoli- dated , as in quadrupeds , their articulating processes must have locked the whole column together , so as to render such a motion of its parts ...
... column , and assisting its vibratory motions ; for , had these parts been consoli- dated , as in quadrupeds , their articulating processes must have locked the whole column together , so as to render such a motion of its parts ...
Página 207
... column a stability , like that which exists in the back of terrestrial quadrupeds . The articulat- ing processes , also , were locked into one another in such manner as to give strength , rather than that peculiar kind of flexibility ...
... column a stability , like that which exists in the back of terrestrial quadrupeds . The articulat- ing processes , also , were locked into one another in such manner as to give strength , rather than that peculiar kind of flexibility ...
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Términos y frases comunes
adapted afford Agassiz air chambers Ammonites ancient animal and vegetable appear Articulated Baculites beds Belemnite body bones bony bottom calcareous Carboniferous cavity Chalk chambered shells character clay Coal formation composed condition Coniferæ contrivances Coprolites creation creatures Cretaceous Crocodiles Crustaceans Cuvier Cycadeæ deposits derived Dicotyledonous earth enamel Eningen entire evidence existing external shell extinct species feet Ferns fluid fossil fossil Fishes fossil species genus Geology globe horny Ichthyosaurus Iguanodon important inhabitants ink-bag land limestone living Lizards lobes Lyme Regis Mammalia marine mechanical Megatherium mineral Mollusks nature Nautilus nearly occur Oolite organic remains peculiar perfect period plants Plesiosaurus portion present probably Pterodactyle quadrupeds recent represents reptiles resembling ribs rocks sand sandstone Secondary shews similar siphuncle skeleton specimen stems strata stratum structure surface teeth Tertiary formations tion tooth Trans transverse plates Trilobites trunk vertebræ vertebral column whilst