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For instance, a worm, which has no reproductive organs, is often found in the body of the stickle-back; this worm, however, is known to breed, but it does so only when the stickle-back happens to be eaten by a bird; the worm is then placed in the proper condition for development, 'for it is then only that its segments become filled with eggs, which, egested by the bird, pass into the bodies of other fishes; in a way more in accordance with natural operations than spontaneous generation.
The significance of its use is somewhat varied among teachers, but it generally means head resonance, or a tone "sent over" through the head cavities. The term is used here technically, not arbitrarily. Overtones are not confined to the voice, but are those constituent parts of any tone which are produced by the vibrating segments into which any vibrating cord will divide itself.
On his left wrist he wore an Osnomian chronometer. This was an instrument resembling the odometer of an automobile, whose numerous revolving segments revealed a large and constantly increasing number the date and time of the Osnomian day, expressed in a decimal number of the karkamo of Kondalian history. "Greetings, oh guests from Earth!
And what appeared to us worthy of remark was, that whereas, when a snake was decollated, it was only the tail that continued to wriggle when a worm was divided, all the segments writhed in the same way, and manifested an equal irritability; showing the difference between creatures of annulated structure, according as they have or have not a brain.
The pupil who never gets over the habit of playing in measures, who never sees the composer's message as a whole rather than in little segments can never play artistically. Many students fail to realize that in some pieces it is actually misleading to count the beats in the measure.
The bill triples the size of our national wilderness system, increasing its size by 56 million acres. And by adding 25 free-flowing river segments to the Wild and Scenic River System, the bill almost doubles the river mileage in that system.
The arrow, which should be of some light non-magnetic material, such as cardboard or wood, carries on its lower side, near the point, a piece of soft iron. Under the path of this piece is a ring of equally spaced magnets, their number equaling that of, the segments on the vane. In order to ascertain the quarter of the wind, the switch is closed.
The caterpillars were big fellows; the segments deeply cut; the bodies yellow-green, with a few sparse scattering hairs, and on the edge of each segment, from a triple row of dots arose a tiny, sharp spine. Each side had series of black touches and the head could be drawn inside the thorax. They were the largest in circumference of any I had raised, but only a little over three inches long.
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.
First of all, it is found that the nervous system has a certain up-and-down arrangement from the segments of the spinal cord up to the gray matter of the rind or "cortex" of the large masses or hemispheres in the skull, to which the word brain is popularly applied. This up-and-down arrangement shows three so-called "levels" of function.
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