. Animal physiology. Physiology, Comparative; Physiology, Comparative. IRRATIONAL CHARACTER OF INSTINCT. 531 of drawers, he proceeded to carry in sticks, cloths, hay, cotton, &c, and to make a nest; and when he had done, he would sit up under the drawers, and comb himself with the nails of his hind ; 709. We see, in this account, a very interesting example of the irrational character of Instinct. If the animal were guided in its ordinary building operations, by such an amount of intel- ligence, as would lead it to choose and execute its various move- ments, with a design to accom
. Animal physiology. Physiology, Comparative; Physiology, Comparative. IRRATIONAL CHARACTER OF INSTINCT. 531 of drawers, he proceeded to carry in sticks, cloths, hay, cotton, &c, and to make a nest; and when he had done, he would sit up under the drawers, and comb himself with the nails of his hind ; 709. We see, in this account, a very interesting example of the irrational character of Instinct. If the animal were guided in its ordinary building operations, by such an amount of intel- ligence, as would lead it to choose and execute its various move- ments, with a design to accomplish certain ends, the same intel- ligence would direct it to leave these actions unperformed, when the purpose no longer required it; instead of which, we see that the animal is impelled by an internal impulse, to construct erections, as nearly resembling those which it would build up on the banks of its native streams, as the materials and circum- stances will permit. Other animals are, in like manner, occa- sionally conducted by their natural instincts, to the performance. Fig. 266.—Nest of Republican Grosbeak. of actions equally irrational, and quite incapable of answering the purpose which the particular instinct is destined to 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 Carpenter, William Benjamin, 1813-1885. London : Wm. S. Orr and Co.
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