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Updated: May 31, 2025
The displacements or disappearance of secondary dividing-lines the singular striated appearance, first remarked by Short in the eighteenth century, last by Perrotin and Lockyer at Nice, March 18, 1884 show the effects of waves of disturbance traversing a moving mass of gravitating particles; the broken and changing line of the planet's shadow on the ring gives evidence of variety in the planes of the orbits described by those particles.
I recall walks we took with him to study natural objects and especially the striated rocks, which, as he had detected, bore plain evidence that the configuration of the region had been shaped by glaciers. He was charmingly affable, encouraging our questions, and unwearied in his demonstration.
There is a perfect parallel between the formation of the will and the coordination of movement of its physiological structure, the striated muscles. It is evident that exercise is necessary to establish precision in our movements.
And over beyond that, like a wall of layer cake, rose the striated buttresses of the Grapevines.
A genus of heavy shells in some respects resembling Astarte, in others especially in having a striated area within the beaks, Hippopodium, from which it is distinguished by the position of the umbones and the presence of a thick tooth in the hinge. Sowerby would not venture to say it belongs to that genus. Amongst these remains was also found embedded a very perfect specimen of fossil wood.
It is true that Kolliker says no perfectly decisive fact has been brought forward to prove that the striated muscles contract without having been acted on by nerves. Yet Mr. In the investigation of the nervous system, anatomy and physiology have gone hand in hand.
Those of the beryl we sometimes find quite flat, as though they had been compressed by force: then again they are acicular and of extraordinary length, considering their slender diameter. Sometimes their lateral faces are longitudinally striated, and as deeply as the tourmaline, so that the edges of the prism are rendered indistinct.
The principal characters in which the history of the ancient glaciers is preserved are displayed here in marvelous freshness and simplicity, furnishing the student with extraordinary advantages for the acquisition of knowledge of this sort. The most striking passages are polished and striated surfaces, which in many places reflect the rays of the sun like smooth water.
They are also much smaller than the striated cells, being less than one one-hundredth of an inch in length and one three-thousandth of an inch in diameter. In the formation of the non-striated muscles, the cells are attached to one another by a kind of muscle cement to form thin sheets or slender bundles. These differ from the striated muscles in several particulars.
The predominant rock is mica-slate, with thick folia of quartz, very frequently alternating with and passing into a chloritic, or into a black, glossy, often striated, slightly anthracitic schist, which soils paper, and becomes white under a great heat, and then fuses.
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