. Elements of zoölogy : a textbook. Zoology. ASTEKIOIDEA. FIG. 680. 449. Key-liole-Urclim, Meilila quinquefora, Agassiz. Tropical America. SUB-SECTION IV. THE ORDER OF ASTERIOIDEA OR STAR-FISHES. THE Star-fishes are echinoderms which are more or less star-shaped, the disk or central portion gradually merging into the rays. Beneath each ray there is a large number of locomotive suckers, like those of the sea-urchins already described. The mouth is on the under side in the center, and there is an eye, or eye-spot, at the end of each ray. By means of the ambulacral tubes, or suckers, Star- fishes
. Elements of zoölogy : a textbook. Zoology. ASTEKIOIDEA. FIG. 680. 449. Key-liole-Urclim, Meilila quinquefora, Agassiz. Tropical America. SUB-SECTION IV. THE ORDER OF ASTERIOIDEA OR STAR-FISHES. THE Star-fishes are echinoderms which are more or less star-shaped, the disk or central portion gradually merging into the rays. Beneath each ray there is a large number of locomotive suckers, like those of the sea-urchins already described. The mouth is on the under side in the center, and there is an eye, or eye-spot, at the end of each ray. By means of the ambulacral tubes, or suckers, Star- fishes move over the rocks and all kinds of surfaces; and they cling to the rocks so firmly that they are removed with difficulty, and will sometimes even allow their am- bulacra to be pulled off rather than let go their hold. Their covering is not solid as in the Sea-urchins, but is d7 composed of movable plates, so that these animals are. 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 Tenney, Sanborn, 1827-1877. New York : Scribner
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