Discourses Biological and Geological: EssaysD. Appleton, 1896 - 388 Seiten |
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Abiogenesis accumulation Anchitherium ancient animals appear Arctogæal Atlantic body bottom calcareous carbonic acid Carboniferous Carnivora causes Cetacea chalk cilium coal contains cretaceous deep sea deposit depths Devonian Diatoms distribution doctrine doubt dredge dry land earth Eocene evidence existence fact fathoms fauna fermentation fish fluid Foraminifera formation forms fossil genera geological speculation geologists germs give rise globe Globigerina ooze gradually Heteromita Hipparion hypothesis knowledge known less living lobster Mammalia mammals matter Mediterranean Mesozoic microscope Miocene Miocene epoch modern modification monad naturalist nature observed ocean organisms oxygen paleontology particles Pébrine peculiar period physical plants present day protoplasm Radiolaria red clay regions remains result rocks SAN DIEGO scientific sea-bottom shells silicious Silurian similar species sporangia spores structure substance sugar suppose surface tertiary things tion Torula trawl Triassic types Ungulata Uniformitarianism UNIVERSITY vegetable whole Wyville Thomson Xenogenesis yeast zoospores