. Elements of geology : a text-book for colleges and for the general reader. Geology. CRETACEOUS ANIMALS. 481 spirally, like a Gasteropod, as in Turrulites and Helioceras. Belem- nites (Fig. 796) also continue, though in diminishing numbers. These strange forms have been likened by Agassiz to death-contor- tions of the Ammonite family; and such they really seem to be. From. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Le
. Elements of geology : a text-book for colleges and for the general reader. Geology. CRETACEOUS ANIMALS. 481 spirally, like a Gasteropod, as in Turrulites and Helioceras. Belem- nites (Fig. 796) also continue, though in diminishing numbers. These strange forms have been likened by Agassiz to death-contor- tions of the Ammonite family; and such they really seem to be. From. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original LeConte, Joseph, 1823-1901. New York : D. Appleton and Co.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectgeology, bookyear1892
