. Seaside studies in natural history. Marine animals. 110 MARINE ANIMALS OF MASSACHUSETTS BAT. (Fig. 143), around which the pedicellariae are arranged in a close wreath, in the centre-of which the summit of the spine projects ; they differ also from those of the Sear-urchin in having two prongs instead of three. Other pedicellarise are scattered inde- pendently over the surface of the animal, but they are smaller. tlian those forming the clusters and connected with the spines. The function of these organs in the Star-fish remains unexplained; the opening on the upper surface, through which the
. Seaside studies in natural history. Marine animals. 110 MARINE ANIMALS OF MASSACHUSETTS BAT. (Fig. 143), around which the pedicellariae are arranged in a close wreath, in the centre-of which the summit of the spine projects ; they differ also from those of the Sear-urchin in having two prongs instead of three. Other pedicellarise are scattered inde- pendently over the surface of the animal, but they are smaller. tlian those forming the clusters and connected with the spines. The function of these organs in the Star-fish remains unexplained; the opening on the upper surface, through which the refase food is thrown out, is in such a position that they evidently do not serve here the same purpose which renders them so useful to the Sea-urchin. Occasionally they may be seen to catch small prey Fig 142 Star-fish ; natural siz«, seen from 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 Agassiz, Elizabeth Cabot Cary, 1822-1907; Agassiz, Alexander, 1835-1910, joint author. Boston, J. R. Osgood and Company
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