. Annual report. New York State Museum; Science; Science. DEVONIC FISHES OF THE NEW YORK FORMATIONS 25 the Heterostraci is there a noteworthy absence of bone lacunae and tubules in the microscopic structure of the dermal plates, but recent discoveries of entire bodies of Thelodus, Lanarkia, Drepanaspis etc. [text fig. i, 2] seem to demonstrate that the hard shield of Pteraspidians arose through fusion of separate shagreen tubercles and spinelets. Incontc stabh, therefore, the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readabi
. Annual report. New York State Museum; Science; Science. DEVONIC FISHES OF THE NEW YORK FORMATIONS 25 the Heterostraci is there a noteworthy absence of bone lacunae and tubules in the microscopic structure of the dermal plates, but recent discoveries of entire bodies of Thelodus, Lanarkia, Drepanaspis etc. [text fig. i, 2] seem to demonstrate that the hard shield of Pteraspidians arose through fusion of separate shagreen tubercles and spinelets. Incontc stabh, therefore, the. 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 New York State Museum. Albany : University of the State of New York
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectscience, bookyear1902
