. Boys and girls in biology : or, Simple studies of the lower forms of life. Biology. THE FRESH-WATER MUSSEL. 101 has no tentacles, or threads, to lasso its food like the hydra ; but its mouth is edged with cilia, which make the water move inward. This water is full of live lit- tle animals, which make delicious " eatings " for a hun- gry mussel. If you pass a bristle through the mouth, it will go upward toward the dorsal edge of the mussel, through a tube which opens into a squarish bag (Fig. 97). The tube is called the (esophagus, or meat-pipe ; it is sometimes called the gullet (F
. Boys and girls in biology : or, Simple studies of the lower forms of life. Biology. THE FRESH-WATER MUSSEL. 101 has no tentacles, or threads, to lasso its food like the hydra ; but its mouth is edged with cilia, which make the water move inward. This water is full of live lit- tle animals, which make delicious " eatings " for a hun- gry mussel. If you pass a bristle through the mouth, it will go upward toward the dorsal edge of the mussel, through a tube which opens into a squarish bag (Fig. 97). The tube is called the (esophagus, or meat-pipe ; it is sometimes called the gullet (Fig. 97). You have Fig. Large Intestine, Kectitm, pass- ing through the Heart. 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 Stevenson, Sarah Hackett, 1843-1909; Huxley, Thomas Henry, 1825-1895. New York : D. Appleton and company
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbiology, bookyear1875
