Mental Evolution in Animals With a Posthumous Essay On Instinct By Charles Darw
Mental Evolution in Animals With a Posthumous Essay On Instinct By Charles Darw
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Let us take an illustration. The giving of suck to young by mammals must be regarded as a truly instinctive act. Why ? I answer, for one reason, because the animal which performs the action is conscious of performing it. If, on the other hand, the young animal which is taking the suck is too young (as in the case of the Kangaroo) to be reasonably supposed conscious of performing its part in the process, I should say that the action of the young animal is to be regarded as reflex. But Mr. Spence...r would classify both these actions under the common designation of instinctive. Suppose, then, that this is done, and what should we say to this case from among the polyps ? McCready describes a species of Medusa which carries its larvae on the inner side of its bell-like body. The mouth and stomach of the Medusa hang down like the tongue of a bell, and contain the nutrient fluids. McCready observed this depending organ to be moved first to one side and then to the other side of the bell, in order to give suck to the larvae on the sides of the bell — the larva3 dipping their long noses into the nutrient fluids which that organ of the parent's body contained.
What to read after Mental Evolution in Animals With a Posthumous Essay On Instinct By Charles Darw?
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To quickly assess the difficulty of the text, read a short excerpt:
Let us take an illustration. The giving of suck to young by mammals must be regarded as a truly instinctive act. Why ? I answer, for one reason, because the animal which performs the action is conscious of performing it. If, on the other hand, the young animal which is taking the suck is too young (as in the case of the Kangaroo) to be reasonably supposed conscious of performing its part in the process, I should say that the action of the young animal is to be regarded as reflex. But Mr. Spence...r would classify both these actions under the common designation of instinctive. Suppose, then, that this is done, and what should we say to this case from among the polyps ? McCready describes a species of Medusa which carries its larvae on the inner side of its bell-like body. The mouth and stomach of the Medusa hang down like the tongue of a bell, and contain the nutrient fluids. McCready observed this depending organ to be moved first to one side and then to the other side of the bell, in order to give suck to the larvae on the sides of the bell — the larva3 dipping their long noses into the nutrient fluids which that organ of the parent's body contained.
What to read after Mental Evolution in Animals With a Posthumous Essay On Instinct By Charles Darw?
You can find similar books in the "Read Also" column, or choose other free books by Romanes George John to read onlineMoreLess
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