. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Deep Sea Protobranchs • Allen and Sunders 25 visceral ganglion m 1 mm post add. tentacle siphon digestive diverticula ant. add. mus. palp probosc feeding. sense organ pedal ganglion oesophagus omach cerebra. 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 Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum

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Keywords: ., bookauthorharvarduniversity, bookcentury1900, booksubjectzoology