Nature, Količina 92Sir Norman Lockyer Macmillan Journals Limited, 1913 |
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Zadetki 1–3 od 83
Stran 112
... rocks , " with special reference to the Lithothamnion deposits of the Danian or Maestricht beds . Since then Lithothamnion has also been reported from Jurassic rocks , and even from beds of Triassic age , though in the latter case , at ...
... rocks , " with special reference to the Lithothamnion deposits of the Danian or Maestricht beds . Since then Lithothamnion has also been reported from Jurassic rocks , and even from beds of Triassic age , though in the latter case , at ...
Stran 114
... rocks through the successive geological periods . ARCHÆAN . In the Archæan rocks no undoubted remains of Algæ have , so far as I am aware , yet been recorded , but Sederholm considers that certain small nodules in the Archæan schists of ...
... rocks through the successive geological periods . ARCHÆAN . In the Archæan rocks no undoubted remains of Algæ have , so far as I am aware , yet been recorded , but Sederholm considers that certain small nodules in the Archæan schists of ...
Stran 120
... rocks . No undoubted remains of calcareous algæ have , however , yet been recorded from these Belgian rocks . It may be of interest , therefore , to mention the recent discovery by Prof. Kaisin , of Louvain , of undoubted algal remains ...
... rocks . No undoubted remains of calcareous algæ have , however , yet been recorded from these Belgian rocks . It may be of interest , therefore , to mention the recent discovery by Prof. Kaisin , of Louvain , of undoubted algal remains ...
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Hurry Dr J B Ideals and Organisation of a Medical | 13 |
Hurst Major C C Genetics 490 | 63 |
Shipley Dr A E Guy A K Marshall Fauna of British Sullivan M X and F R Reid Soil Catalysis 560 | 85 |
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