The Medals of Creation: Or, First Lessons in Geology, and in the Study of Organic Remains, Svazek 1H.G. Bohn, 1844 - Počet stran: 1016 |
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Strana 158
... external surface covered with the rhomboidal scars formed by the attachment of the leaf- stalks , and which are widest in their transverse diameter . There are two species , which are readily distinguished by the form of the stems , and ...
... external surface covered with the rhomboidal scars formed by the attachment of the leaf- stalks , and which are widest in their transverse diameter . There are two species , which are readily distinguished by the form of the stems , and ...
Strana 161
... external characters , the Clathrariæ were most nearly allied to the Cycadeæ or Zamiæ . A remarkable . specimen , ( Lign . 56 , ) discovered in a stra- tum of Chalk - marl , near Bonchurch , con- firms this view , and throws much light ...
... external characters , the Clathrariæ were most nearly allied to the Cycadeæ or Zamiæ . A remarkable . specimen , ( Lign . 56 , ) discovered in a stra- tum of Chalk - marl , near Bonchurch , con- firms this view , and throws much light ...
Strana 245
... external structure of the Ventriculite is seen at a , expanded on the chalk ; and the pedicle with its roots is exposed at b . The figures are one - fourth the size of the originals . 2 , 3 , 5. - Chalk specimens , showing the external ...
... external structure of the Ventriculite is seen at a , expanded on the chalk ; and the pedicle with its roots is exposed at b . The figures are one - fourth the size of the originals . 2 , 3 , 5. - Chalk specimens , showing the external ...
Obsah
continued | xxx |
LIST OF LIGNOGRAPHS IN VOL I | xxxix |
PRELIMINARY REMARKSOn the Plan of the Work and the Arrangement | 8 |
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The Medals of Creation Or, First Lessons in Geology, and the Study of ... Gideon Algernon Mantell Náhled není k dispozici. - 2015 |
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abundant animal aperture appear Atlas beautiful beds belong body bones branches British Brongniart calcareous Carboniferous carbonized cavity cells cellular chalk characters clay coal colour composed cones coniferous corals cretaceous Crinoidea Cycads deposits described dicotyledonous Echinites Encrinite examples ferns figured in Lign flint Flora foliage foraminifera Forest formation Foss fossil fossil remains fresh-water fruits frustules genera genus Geol geological Greensand imbedded inches integument Isle of Portland Isle of Sheppey Isle of Wight layers leaves Lias ligneous lignite limestone London Clay marine marls mass medullary microscope mineral mollusca nature numerous observed occur Oolite organic remains original ossicula Petrifactions petrified Pict plants plates preserved recent receptacle resemble rocks sandstone shale shells Sigillaria silex siliceous silicified Silurian species specimens spines sponges Star-fishes stems strata structure substance surface Sussex tentacula tertiary transverse trees tribe trunks tubercles vascular tissue vegetable Ventriculites Wealden Wond wood zoophytes