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I have seen some who, stabbed in the mouth while biting close to the sting, died of the wound within the twenty-four hours. That dangerous prey, therefore, requires instantaneous death, produced by the injury to the nerve-centres of the neck; otherwise, the hunter's life would often be in jeopardy.
For all these reasons an excessive display of energy; the variable quantity of the virus inoculated by a wriggling abdomen which no longer measures the emission by doses; a sting which I cannot direct as I please; a wound which may be deep or superficial, the weapon entering perpendicularly or obliquely, touching the nerve-centres or affecting only the surrounding tissues my experiments ought to produce the most varied results.
He had come armed with an instrument of torture worse than the thumb-screw, worse than the pulleys which attempt the miracle of adding a cubit to the stature, worse than the brazier of live coals brought close to the naked soles of the feet, an instrument which, instead of trifling with the nerves, would clutch all the nerve-centres and the heart itself in its gripe, and hold them until it got its answer, if the white lips had life enough left to shape one.
The worm, moreover, stung in the greater number of its nerve-centres, lies on one side, motionless and incapable of bodily contortions or said an jerks of its hinder segments. If the mandibles try to snap, if the legs give a kick or two, they find nothing in front of them: the Ammophila's egg is at the opposite side.
Given a certain stimulus in the brain or nerve-centres, and certain corresponding muscular contractions follow: and this whether or not the stimulus be applied in a normal manner. Although, therefore, the entranced brain cannot spontaneously control the body, yet if we can apply an independent stimulus to it, the body will make a fitting and apparently intelligent response.
Besides, it is made anywhere, at the first spot that offers. The expert slayers employ methods of the highest precision: they give a stab in the neck, or under the throat; they wound the cervical nerve-centres, the seat of energy. The paralysers, those accomplished anatomists, poison the motor nerve-centres, of which they know the number and position.
The outward structure of the Praying Mantis would of itself be enough to teach us the arrangement of the nerve-centres which the Tachytes has to injure in order to paralyse its victim, which is destined to be devoured alive but harmless. A narrow and very long prothorax divides the front pair of legs from the two hinder pairs.
It is absolutely inert, except the mandibles, which are still capable of biting. THIRD ACT. The Ammophila clasps the paralysed victim between her legs; with the hooks of her mandibles she seizes the back of its neck, at the base of the first thoracic segment. For nearly ten minutes she munches this weak spot, which lies close to the cerebral nerve-centres.
He is, so to say, one of the nerve-centres of cosmic experience. In the process of the suns he has become a veritable microcosm of the universe. It was not man that placed that tenderness in the evening sky. It has been the evening skies of millions of years that have at length placed tenderness in the heart of man.
The Garden Scolia attacks Oryctes nasicornis; the Two-banded Scolia the Cetonia; the Interrupted Scolia the Anoxia. All three operate below ground, under the most unfavourable conditions; and all three have for their victim a larva of one of the Scarabaeidae, which, thanks to the exceptional arrangement of its nerve-centres, lends itself, alone of all larvae, to the Wasp's successful enterprises.
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