. Distribution of the subcutaneous vessels in the head region of the ganoids, Polyodon and Lepisosteus. Fishes. Proc. Wash. Acad. Sci., Vol. IX. Plate XII. II. M. Fig. "o © V/.C. w.' 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 Allen, William Fitch, 1875-. Washington, D. C. , Washington Academy of Sciences

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectfishes, bookyear1907