. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. Fig. 404.—Metacrinus angulatus. \. (Carpenter.) ferences existing between the liassic and the modern Pentacrinidse led the Austins to establish the genus Extracrinus for a fossil species which seems to have been gregarious, and of which Queenstedt has figured a magnificent slab, some of the specimens with a stem nearly sixty feet long. The stems were often twisted into a solid, ropelike mass, and are so entan- gled on the slab that it is difficult to make out the individual stems. A sim- ilar entangling also
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology; Zoology. Fig. 404.—Metacrinus angulatus. \. (Carpenter.) ferences existing between the liassic and the modern Pentacrinidse led the Austins to establish the genus Extracrinus for a fossil species which seems to have been gregarious, and of which Queenstedt has figured a magnificent slab, some of the specimens with a stem nearly sixty feet long. The stems were often twisted into a solid, ropelike mass, and are so entan- gled on the slab that it is difficult to make out the individual stems. A sim- ilar entangling also occurred among the specimens dredged by the " Blake," and it was often very difficult to separate speci-. Fig. 406. — Pentacrinus stage of Aetinoraetra meridionalis, magni- 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
