. Animal biology. Zoology; Biology. PHYLUM ECHINODERMATA 209 possible enemy may become entangled. These structures, however, are soon regenerated. 240. Crinoidea.—The sea lilies, which were exceedingly abundant in the seas ages ago, are echinoderms which, typically, are attached by the aboral surface to a stalk that rises from the bottom and frequently possesses many rootlike branches (Fig. 123). The oral surface is upper- most and the disc is surrounded by more or less complexly branched rays O/'a/ feni-ac/es. P/n^ cai/7a/ Pc>//fT/7 ves/c/es Gen/-^/ o, Ampu/Zae lOf7^/'-/-ac///-?ar/ musc/e
. Animal biology. Zoology; Biology. PHYLUM ECHINODERMATA 209 possible enemy may become entangled. These structures, however, are soon regenerated. 240. Crinoidea.—The sea lilies, which were exceedingly abundant in the seas ages ago, are echinoderms which, typically, are attached by the aboral surface to a stalk that rises from the bottom and frequently possesses many rootlike branches (Fig. 123). The oral surface is upper- most and the disc is surrounded by more or less complexly branched rays O/'a/ feni-ac/es. P/n^ cai/7a/ Pc>//fT/7 ves/c/es Gen/-^/ o, Ampu/Zae lOf7^/'-/-ac///-?ar/ musc/e banc/ Cov/'e-/'/crr7. 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 Wolcott, Robert Henry, 1868-1934; University of Nebraska (Lincoln campus). Dept. of Zoology. New York ; London : McGraw-Hill Book Company, Inc.
Size: 972px × 2571px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookcoll, booksubjectbiology, booksubjectzoology
