. Elements of zoölogy. Zoology. Fig. 21.—Lasso-cell of an anemone. Fig. 20.—Anemone with ten- tacles expanded, attached by sucking disc to the bot- Fig. 22.—Cross-section of anem- one, showing septa. eye-spots. If a dead anemone that has become somewhat hardened is cut open vertically, we first notice the stom- ach, that, divided into mouth and stomach proper, seems suspended in the body, held in place by six partitions (Mesenteries) (Fig. 22), that divide it into as many sec- tions, which are again divided by others. Each of the six principal partitions is perforated with an opening, an
. Elements of zoölogy. Zoology. Fig. 21.—Lasso-cell of an anemone. Fig. 20.—Anemone with ten- tacles expanded, attached by sucking disc to the bot- Fig. 22.—Cross-section of anem- one, showing septa. eye-spots. If a dead anemone that has become somewhat hardened is cut open vertically, we first notice the stom- ach, that, divided into mouth and stomach proper, seems suspended in the body, held in place by six partitions (Mesenteries) (Fig. 22), that divide it into as many sec- tions, which are again divided by others. Each of the six principal partitions is perforated with an opening, and the chambers connect with the tentacles, so that water, and food captured by the tentacles, is taken in at the mouth, and penetrates, by the opening at the bottom of the stomach, to every part of the animal. The anemones vary greatly in size, from delicate un- attached forms that live up among the folds of the great jelly-fish Cyanea to enormous ones two feet across. The. 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 Holder, Charles Frederick, 1851-1915; Holder, Joseph Bassett, 1824-1888, joint author. New York : D. Appleton and company
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1884
