. The story of the amphibians and the reptiles. Amphibians; Reptiles. NERVOUS SYSTEM 53 toward a more intelligent condition are found in their heads. We may glance at this briefly. P-n Brat. Pig. 84.—Skull of Eana escidenta. A, from above; B, from below; C, from the left side, x, paiasphenold; y, gimle-bone; Z, the "; ^ The lowest animal tissne, where no nerves are ap- parent, seems to be able to feel, or to draw back or go on when touched. In this case it is supposed that feeling goes through any part in any direction, from one cell to another, where there is more th
. The story of the amphibians and the reptiles. Amphibians; Reptiles. NERVOUS SYSTEM 53 toward a more intelligent condition are found in their heads. We may glance at this briefly. P-n Brat. Pig. 84.—Skull of Eana escidenta. A, from above; B, from below; C, from the left side, x, paiasphenold; y, gimle-bone; Z, the "; ^ The lowest animal tissne, where no nerves are ap- parent, seems to be able to feel, or to draw back or go on when touched. In this case it is supposed that feeling goes through any part in any direction, from one cell to another, where there is more than one cell. But as in time there came to be special cells for digesting, breathing, etc., so there came to be special cells for feeling and for stimulating other cells into action. These arranged themselves in rows, so they could communicate with each other, and these rows. 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 Baskett, James Newton, 1849-; Ditmars, Raymond Lee, 1876-1942. joint author. New York, D. Appleton and Company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectreptile, bookyear1902
