Wild life of orchard and field;

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Identifier: wildlifeoforchar00inge (find matches)
Title: Wild life of orchard and field;
Year: 1902 (1900s)
Authors: Ingersoll, Ernest, 1852-1946
Subjects: Animal behavior
Publisher: (New York London) Harper & brothers
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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on-taining granules of lime (otoconites) which vibratein a clear liquid; but how sensitive these are tosounds is not well known. The sense of taste may be present; and that thereis a sense of smell is undoubted. It is probable,indeed, that this sense is the most active and ser-viceable of all the perceptions of these mollusks,and it is believed to reside in the region of the mouth. Sensitiveness to touch is delicate in all parts ofthe skin, which responds to the slightest irritation;yet little if anything is felt of what we call pain,for a slug may be mutilated without exhibitingany symptoms of painful disturbance, and a break-ing of the shell is not only easily and frequentlyrepaired, but the loss of large parts of the body willbe quickly replaced. Spallanzani, whose experi-ments with bats are celebrated, was the first to as-certain that not only parts of the head, but eventhe whole head, might be reproduced, although notalways. It is well established by experiments 294 n> 1- Co a
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WILD LIFE OF ORCHARD AND FIELD on thousands of helices that the eye peduncles,when cut off, grow out again—that considerableparts of the locomotive disk may be amputated,and the new parts immediately bud out and sup-ply their place/ Some snails, moreover, practise self - mutilationas a means of protection. This is reported ofStenopus, a West Indian genus, and is highlycharacteristic of the Philippine snails of the genusHelicarion, as described by Semper in AnimalLife. The several small species live upon treesin damp woods, where they are numerous and ac-tive, and consequently much exposed to attack byreptiles, birds, and other enemies. Every speciesseems to have the property of shedding the tailwhenever it is roughly seized. This they do bywhisking the tail up and down with extraordinaryrapidity, almost convulsively, until it drops off;if the creature is held by the tail, it immediatelyfalls to the ground, where it easily hides amongthe leaves. . . . Now, this hinder portion of thef

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