. Elements of zoölogy. Zoology. 314 BACKBONED ANIMALS. Hedgehog (Erinaceidci)*—We now come to the true hedgehogs (Fig. 339), that are not found in the western hemisphere, and are characterized by a thick. Fig. 339.—A group of insect-eaters: 1, common shrew; 2, hedgehog; 3, mole ; 4, bat. growth of sharp, spinous bristles upon the back, that, when the animal rolls itself into a ball, form a perfect protection. Value.—Skin and spines. * The nest is generally underground, and carefully made, and here the adults, as a rule, pass the cold months in a state of hiber- nation—a sleep so deep that no o
. Elements of zoölogy. Zoology. 314 BACKBONED ANIMALS. Hedgehog (Erinaceidci)*—We now come to the true hedgehogs (Fig. 339), that are not found in the western hemisphere, and are characterized by a thick. Fig. 339.—A group of insect-eaters: 1, common shrew; 2, hedgehog; 3, mole ; 4, bat. growth of sharp, spinous bristles upon the back, that, when the animal rolls itself into a ball, form a perfect protection. Value.—Skin and spines. * The nest is generally underground, and carefully made, and here the adults, as a rule, pass the cold months in a state of hiber- nation—a sleep so deep that no outward sign of breathing can be de- tected. In Dr. Hall's experiments with a hibernating animal suddenly decapitated, the heart continued to beat for a long time, as if possessed with an independent life. In another, where the brain and entire spinal cord were removed, the heart continued to beat for two hours, as if nothing had happened, and twelve hours after would contract when 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
