. Elementary textbook of economic zoology and entomology. Zoology; Insect pests. STARFISHES, SEA-URCHINS, ETC. 93 large to be taken into its mouth the stomach is extended through the mouth and the living prey is covered over by it. As soon as the shell is opened ever so little the soft parts of the victim are sucked up and digested by the starfish. Having finished its meal the starfish draws its stomach in and seeks another oyster or FIG. 33.—Regeneration of starfishes, Linckia sp. Upper figure shows a starfish regenerating arms that have been lost; the lower figure shows a portion of a
. Elementary textbook of economic zoology and entomology. Zoology; Insect pests. STARFISHES, SEA-URCHINS, ETC. 93 large to be taken into its mouth the stomach is extended through the mouth and the living prey is covered over by it. As soon as the shell is opened ever so little the soft parts of the victim are sucked up and digested by the starfish. Having finished its meal the starfish draws its stomach in and seeks another oyster or FIG. 33.—Regeneration of starfishes, Linckia sp. Upper figure shows a starfish regenerating arms that have been lost; the lower figure shows a portion of an arm regenerating the disk and other arms. (About natural size.) Starfish, and in fact most of the Echinoderms, have the power of regenerating lost parts. If, through accident, a starfish loses one or more of its rays new ones will grow out to replace the old ones, or, in some cases, the arm may prac-. 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 Kellogg, Vernon L. (Vernon Lyman), 1867-1937; Doane, Rennie Wilbur, 1871-. New York, H. Holt and company
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