Natural philosophy. including statics, hydrostatics, pneumatics, dynamics, hydrodynamics, the general theory of undulations, the science of sound, the mechanical theory of music, etc. : designed for the use of normal and grammar schools, and the higher classes in common schools (1867)
Sangster, John Herbert, 1831-1904 · Montreal : Printed and published by John Lovell · leaf 184
upper andlower vocal cords are almost equally developed, and hencethe variety and range of its voice. The horse and ass have AF.T3. 437 THE ORGANS OF HEARING. 181 only two vocal cords. The sounds produced by insects arecaused by percussion or by rubbing the homy sheaths oftheir wings or legs… … VERTICAL SBCTIOX OF THE ORGAX OF HEAEIXO. 437. The organ of hearing in man is composed ofthree parts, viz. :— I. The External Ear or Pinna.IT. The Middle Ear or Tympanum.III. The Internal Ear or Labyrinth:— 438. The External Ear consists of two parts. I. The Pinna or Pavilion («6c), also called the…
Physics
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