. The biology of marine animals. Marine animals; Physiology, Comparative. Sphincter muscle Perfect mesentery Retractor muscle Parietal muscle Fig. Diagrammatic Vertical Section through the Sea-anemone Metridium. (From Pantin (82).) Circular muscle _ Ciliated siphonoglyph Parietal muscle. 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 Nicol, J. A. Colin (Joseph Arthur Colin), 1915-. New York, Interscience Publishers

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Keywords: ., bookcentury1900, booksubjectmarineanimals, booksubjectphysiology