CONTENTS. 



PAGE 



Of Nourishment of Young Creatures in the Effg- or 



Womb - _ 59 



Of Sympathy and Antipathy - _ - ib. 



Of the Spirits, or Pneumaticals in Bodies - - 61 



Of the Power of Heat, - 53 



Of Impossibility of Annihilation, - - 65 



CENTURY II. 



OfMusic - - - - _ 67 



Of the Nullity and Entity of Sounds - - 74 



Of Production, Conservation, and Delation of Sounds 80 



Of Magnitude, Exility, and Damps of Sounds - 87 



Of Loudness and Softness of Sounds - - 95 



Of Communication of Sounds - - .95 



Of Equality and Inequality of Sounds - .97 



Of more Treble and Base Tones - - 100 



Of Proportion of Treble and Base - - 102 



Of Exterior and Interior Sounds - - 104 



Of Articulation of Sounds - - 106 



CENTURY in. 



Of the Lines in which Sounds move - - 109 



Of the Lasting and Perishing of Sounds - - m 



Of the Passage in Interception of Sounds - - 113 



Of the Medium of Sounds, - U5 



Of the Figures of Bodies yielding Sounds - 1 lg 



Of Mixture of Sounds - - 118 



Of Melioration of Sounds - 1&amp;lt;21 



Of Imitation of Sounds 123 



Of Reflection of Sounds - . 125 

 Of Consent and Dissent between Audibles and Visibles 130 



&amp;gt;f Sympathy and Antipathy of Sounds - - 137 



Of Hindering or Helping of Hearing - . 139 



Of the Spiritual and Fine Nature of Sounds - HO 



Of Orient Colours in Dissolutions of Metals - 142 



Of Prolongation of Life - l^o 



Of the Appetite of Union in Bodies - - ib 



Of the like Operations of Heat and Time . 144 



Of the differing Operations of Fire and Time - 145 



Of Motions by Imitation _ - ib 



Of Infectious Diseases, - _ j4g 



Of the Incorporation of Powders and Liquors 147 

 Of Exercise of the Body, and the Benefits or Evils 



thereof . _ _ - ib 



Of Meats soon Glutting, or not Glutting - 143 



