. Elements of comparative zoology. Zoology. 174 SYSTEMATIC ZOOLOGY. the details of structure are analyzed there are found the same inturned oesophagus, the same septa and filaments, and the same tentacles; and hence these forms must be somewhat closely associated with the sea-anemones, while these same features together with the absence of a velum. FIG. 21.—Common white Jellyfish (Aureliu). After Agassiz. mark them off from the Hydrozoan jellyfishes (p. 166). While some are small, others become veritable giants, the large blue jellyfish of the New England coast sometimes measuring seven feet a
. Elements of comparative zoology. Zoology. 174 SYSTEMATIC ZOOLOGY. the details of structure are analyzed there are found the same inturned oesophagus, the same septa and filaments, and the same tentacles; and hence these forms must be somewhat closely associated with the sea-anemones, while these same features together with the absence of a velum. FIG. 21.—Common white Jellyfish (Aureliu). After Agassiz. mark them off from the Hydrozoan jellyfishes (p. 166). While some are small, others become veritable giants, the large blue jellyfish of the New England coast sometimes measuring seven feet across, its tentacles streaming be- hind for a hundred feet as it swims through the water. SUBCLASS III.—CTENOPHORA. These forms, which are also called jellyfishes, differ from the other ccelenterates in several respects. The body is usually globular, instead of umbrella-shaped, and bears on the surface eight rows, like meridians (fig. 22, c) of vibratile organs, each row being composed of numerous series of cilia, arranged much like the teeth of a comb. 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 Kingsley, J. S. (John Sterling), 1854-1929. New York, H. Holt and Company
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