Page

Of Teeth, and Hard Substances in the Bodies of Living
Creatures

31

Of Clarification

Of the Generation and Bearing of Living Creatures in the
Womb

Of Species Visible

Of Impulsion and Percussion

Of Titillation

Of Scarcity of Rain in Egypt

Of Abundance of Nitre in certain Sea-shores

Of Bodies borne up by Water

36

38

40

41

42

42

43

43

44

46

46

Of Bitumen, one of the Materials of Wild-fire

47

48

48

49

49

50

50

51

Of Water, that it may be the Medium of Sounds

Of the Force of Imagination imitating that of the Sense

57

233

Page

Of Preservation of Bodies

58

Of the Growth or Multiplying of Metals

58

Of the Drowning the more Base Metal in the more Precious

Of Fixation of Bodies

Of the Restless Nature of Things in themselves, and their
Desire to Change

CENTURY IX

Of Perception in Bodies Insensible, tending to Natural Divi-
nation and Subtile Trials

Of the Causes of Appetite in the Stomach
Of Sweetness of Odour from the Rainbow
Of Sweet Smells

Of the Corporeal Substance of Smells
Of Fetid and Fragrant Odours

Of the Causes of Putrefaction

Of Bodies unperfectly Mixed
Of Concoction and Crudity

Of Alterations, which may be called Majors
Of Bodies Liquefiable, and not Liquefiable .
Of Bodies Fragile and Tough

Of the two Kinds of Pneumaticals in Bodies

63

73

Of Concretion and Dissolution of Bodies

Of Bodies Hard and Soft

Of Bodies Ductile and Tensile

Of several Passions of Matter, and Characters of Bodies

Of Induration by Sympathy.

Of Honey and Sugar

Of the Finer sort of Base Metals

Of Certain Cements and Quarries

Of the Altering of Colours in Hairs and Feathers

Of the Differences of Living Creatures, Male and Female

Of the Comparative Magnitude of Living Creatures
Of Producing Fruit without Core or Stone .

Of the Melioration of Tobacco

Of several Heats working the same Effects

Of Swelling and Dilatation in Boiling

Of the Contrary Operations of Time on Fruits and Liquors

98

Of the Rolling and Breaking of the Seas

Of the Dulcoration of Salt Water

Of the Return of Saltness in Pits by the Sea-shore .

Of Attraction by Similitude of Substance

Of the Rise of Liquors or Powders by Means of Flame

Of the Influences of the Moon

Of Vinegar.

Of Creatures that Sleep all Winter

Of the Generating of Creatures by Copulation, and by Putrefaction.

109

110

114

115

CENTURY X.

Of the Transmission and Influx of Immateriate Virtues, and the Force of Imagination

117

Of the Emission of Spirits in Vapour, or Exhalation, Odourlike

Of Emissions of Spiritual Species which affect the Senses

125 133

Of Emission of Immateriate Virtues, from the Minds and Spirits of Men, by Affections, Imagination, or other Impressions

Of the Secret Virtue of Sympathy and Antipathy
Of Secret Virtues and Proprieties

Of the General Sympathy of Men's Spirits

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134