. Bulletin. Science. 54 SOUTHERN CALIFORNIA ACADEMY OF SCIENCES. Fig. 3. SEM micrograph, pleurolophocercous rediae from Cerithidea. Only one cercaria is birthed at a time. Scale bar = 80|xm. Fig. 4. SEM Micrograph, pleurolophocercous rediae from Cerithidea. Note annular ring around birthpore (arrows). Scale bar = 30| 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 Southern California Academy of Sciences. Los Angeles, Ca
. Bulletin. Science. 54 SOUTHERN CALIFORNIA ACADEMY OF SCIENCES. Fig. 3. SEM micrograph, pleurolophocercous rediae from Cerithidea. Only one cercaria is birthed at a time. Scale bar = 80|xm. Fig. 4. SEM Micrograph, pleurolophocercous rediae from Cerithidea. Note annular ring around birthpore (arrows). Scale bar = 30| 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 Southern California Academy of Sciences. Los Angeles, Calif. : The Academy
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