...With thesefew preliminary remarks we may now take up in turn these different groups,beginning with the lowest, or the Polyps... 
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...In all Polyps the body consists of a sac divided byvertical partitions () into distinct cavities or chambers...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...Here thepartitions are reduced to eight; the tentacles, according to the invariablerule, agree in number with the chambers, but have a far more highlycomplicated structure than in the lower Polyps...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...The Millepore is a coral, and was therefore the more easilyconfounded with the Polyps, so large a proportion of which build coralstocks; but a more minute investigation of its structure (Figs...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...We find also among Star-fishes the same tendency to multiplication of partsso common among the Polyps and Acalephs...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...From some of the polyps little roundbuds were growing, while other buds were alreadydeveloped into miniature copies of the parent, and onlyattached by a slender stalk...
Henry J. Slack 「Marvels of Pond-life」
...However this may be, the polyps, andsimilarly endowed creatures, have the power of dartingout their poison threads with considerable force, andMr...
Henry J. Slack 「Marvels of Pond-life」
...The uni-axial Gastræa became sessile, and gave rise to two stems, theSponges and the Cnidaria (the latter all reducible to simple polyps like thehydra)...
Ernst Haeckel 「The Evolution of Man」
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