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according acoustics action admit advancing argument believe body called cause claim compression condensation continue death direction discovery distance earth Editor effect energy entirely existence experiment explain fact force fork four give given Hall hand heat human inch kind known less letter light living locust logical material matter means mechanical ment MICROCOSM miles mind motion moving nature never object once organic original particle pass person Philosophy physical position possible present principle Problem produce Prof Professor prong prove pulse question reach reader reason received result scientific sense simply single sound substance substantial supposed Taylor teaching theory thing thought tion treatment true truth Tyndall universe vibrating vital wave wave-theory whole Wood writes
Página 8 - And so it is written, The first man Adam was made a living soul; the last Adam was made a quickening spirit.
Página 22 - All the fountains of the great deep were broken up, and the windows of heaven were opened.
Página 160 - I firmly believe that if the whole materia medica, as now used, could be sunk to the bottom of the sea, it would be all the better for mankind...
Página 164 - Several writers have misapprehended or objected to the term Natural Selection. Some have even imagined that natural selection induces variability, whereas it implies only the preservation of such variations as arise and are beneficial to the being under its conditions of life.
Página 7 - From harmony, from heavenly harmony This universal frame began: From harmony to harmony Through all the compass of the notes it ran, The diapason closing full in Man.
Página 164 - Why should not Nature take a sudden leap from structure to structure ? On the theory of natural selection, we can clearly understand why she should not; for natural selection acts only by taking advantage of slight successive variations ; she can never take a great and sudden leap, but must advance by short and sure, though slow steps.
Página 121 - In the case of water, when the crests of one system of waves coincide with the crests of another system: higher waves will be the result of the coalescence of the two systems. But when the crests of one system coincide with the sinuses, or furrows, of the other system, the two systems, in whole or in part, destroy each other. This mutual destruction of two systems of waves is called interference. The same remarks apply to sonorous waves.
Página 147 - Imagine one of the prongs of the vibrating fork swiftly advancing ; it compresses the air immediately in front of it, and when it retreats it leaves a partial vacuum behind, the process being repeated by every subsequent advance and retreat.
Página 160 - I declare," says Dr. James Johnson, "my conscientious opinion, founded on long observation and reflection, that if there was not a single physician, surgeon, apothecary, manmidwife, chemist, druggist, or drug, on the face of the earth, there would be less sickness, and less mortality than now obtains.