. Animal life as affected by the natural conditions of existence. Animal ecology. A COBAL AND A MOLLUSC. 33; they are perfectly constant—no specimen having hitherto heen found without such holes, sufficiently proving that a Sipunculus lives as commensal in the coral—they here hear the aspect, or disguise, of a true specific character. Many years since, a very interesting case of association or commensalism between a mollusc and a coral was described by Steenstrup. The young of RhizoehUus antipathum (see fig. 88) have all the appearance and characters of a true Buccinum. When they have reached
. Animal life as affected by the natural conditions of existence. Animal ecology. A COBAL AND A MOLLUSC. 33; they are perfectly constant—no specimen having hitherto heen found without such holes, sufficiently proving that a Sipunculus lives as commensal in the coral—they here hear the aspect, or disguise, of a true specific character. Many years since, a very interesting case of association or commensalism between a mollusc and a coral was described by Steenstrup. The young of RhizoehUus antipathum (see fig. 88) have all the appearance and characters of a true Buccinum. When they have reached a certain size they attach themselves to the slender bi-anches of a horny coral known as Antipathes, and at once so modify their normal growth that it is quite impossi- ble to name any other mollusc in which any alterations of growth at maturity are to be met with in the least resembling. 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 Semper, C. (Carl), 1832-1893. New York, D. Appleton and Co.
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Keywords: ., bookcentury1800, bookdecade1880, bookpublishernewyo, bookyear1881
