. Boys and girls in biology : or, Simple studies of the lower forms of life. Biology. THE LOBSTER. 149 water, and one side of this sac is pushed inward to form a sort of fold, or pocket, in which a nerve that comes from the brain, or head ganglia, spreads itself all out (Fig. 128). The side of the pocket toward the water is Fig. The Lobster's Ear. covered with fine hairs, and these hairs touch against little bits of sand which get into the water through the outside slit (Figs. 128, 129). These particles of sand are like the tiny stones, or otoliths, you found in the mussel's ear-sac, and
. Boys and girls in biology : or, Simple studies of the lower forms of life. Biology. THE LOBSTER. 149 water, and one side of this sac is pushed inward to form a sort of fold, or pocket, in which a nerve that comes from the brain, or head ganglia, spreads itself all out (Fig. 128). The side of the pocket toward the water is Fig. The Lobster's Ear. covered with fine hairs, and these hairs touch against little bits of sand which get into the water through the outside slit (Figs. 128, 129). These particles of sand are like the tiny stones, or otoliths, you found in the mussel's ear-sac, and they likewise help to increase the sound. The lobster's ear is made on much the same plan as your own. The sac is really a fold of 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 Stevenson, Sarah Hackett, 1843-1909; Huxley, Thomas Henry, 1825-1895. New York : D. Appleton and company
Size: 1626px × 1537px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1870, booksubjectbiology, bookyear1875
