225 



THE HISTORY AND FIRST INQUISITION OF 

 SOUND AND HEARING, 



AND TOUCHING THE FORM OF SOUND, AND THE SECRET 



PROCESS OF SOUND; OR THE WOOD OF 



SOUND AND HEARING. 



OF the generation of sound, and the first percussion. 



Of the lasting of sound, and of the perishing and extinc 

 tion of sounds. 



Of the confusion and perturbation of sounds. 



Of the accessory aids and impediments of sounds. 



Of the stay of sound, and the diversity of mediums. 



Of the penetration of sounds. 



Of the carriage of sounds, and their direction or spread 

 ing, and of the area which sound fills, together and 

 severally. 



Of the variety of the bodies, which yield sound; and 

 the instruments; and of the species of sounds which occur. 



Of the multiplication, maj oration, diminution, and frac 

 tion of sounds. 



Of the repercussion of sounds, and echo. 



Of the consent and dissents of audibles and visibles, and 

 of other, so called, spiritual species. 



Of the quickness of the generation and extinction of 

 sound, and the time in which they are effected. 



Of the affinity or non-affinity which sound hath with 

 the motion, local and perceptible, of the air in which it is 

 carried. 



Of the communication of the air percussed and elided, 

 with the ambient air, and bodies, or their spirits. 



Of the forming or articulation of sound. 



Of the very impression of sounds upon the sense. 



Of the organ of hearing, and its disposition and indis 

 position, helps, and hindrances. 



The inquiry into sound and hearing I have thought well 

 forthwith to set on foot; for it advantageth the under- 



VOL. XV. Q 



