. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. Fig. 5316. -?. Fig. 531 a. Fig. 531 c Greatly magnified. Figs. 531 «. 531 b, .">:]! c; Spicules of Holtenia Pourtalesii. (Schmidt.). 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: ., bookauthorha, bookcentury1800, bookdecade1860, booksubjectzoology