. Danmarks fauna; illustrerede haandbøger over den danske IL I \3. -n—' Fig. 14. Gællernes placering hos Polyplacophora. a adanale gæller, b abanale og c adanale med mellemrum. I holobranchial, II mero- branchial, n nyrepapil. Efter 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 Dansk naturhistorisk forening. København, G. E. C. Gad

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