Observations upon experimental philosophy to which is added The description of a new blazing world / written by the thrice noble, illustrious, and excellent princesse, the Duchess of Newcastle.

THE TABLE OF All the Principal Subjects contained and discoursed of in this BOOK.

Observations upon Experimental Philosophy.

• 1. OF Humane Sense and Perception.
• 2. Of Art and Experimental Philosophy.
• 3. Of Micrography, and of Magnifying and Multiplying Glasses.
• 4. Of the production of Fire by Flint and Steel.
• 5. Of Pares.
• 6. Of the Effluviums of the Loadstone.
• 7. Of the Stings of Nettles and Bees.
• 8. Of the Beard of a wild Oat.
• 9. Of the Eyes of Flyes.
• 10. Of a Butter-Flye.
• 11. Of the walking Motions of Flyes, and other Crea∣tures.
• ...

• 12. Whether it be possible to make man, and some other Animal Creatures, flye as Birds do?
• 13. Of Snails and Leeches, and whether all Animals haue Blood?
• 14. Of Natural Productions.
• 15. Of the Seeds of Vegetables.
• 16. Of the Providence of Nature; and some Opinions concerning Motion.
• 17. Des Cartes Opinion of Motion Examined.
• 18. Of the blackness of a Charcoal, and of Light.
• 19. Of the Pores of a Charcoal, and of Emptiness.
• 20. Of Colours.
• 21. Whether an Idea haue a Colour, and of the Idea of of a Spirit?
• 22. Of Wood petrified.
• 23. Of the Nature of Water.
• 24. Of Salt, and of Sea or Salt-water.
• 25. Of the motions of Heat and Cold.
• 26. Of the Measures, Degrees, and different sorts of Heat and Cold.
• 27. Of Congelation or Freezing.
• 28. Of Thawing, or dissolving of frozen Bodies.
• 29. Several Questions resolved concerning Cold and Fro∣zen Bodies.
• 30. Of Contraction and Dilation.
• 31. Of the Parts of Nature, and of Atomes.
• 32. Of the Celestial parts of this World, and whether they be alterable?
• ...

• 33. Of the Substance of the Sun, and of Fire.
• 34. Of Telescopes.
• 35. Of Knowledge and Perception in general.
• 36. Of the different Perceptions of Sense and Reason.
• 37. Several Questions and Answers concerning Know∣ledg and Perception.

Further Observations upon Experimental Philoso∣phy, reflecting withall upon some Principal Subjects in Contemplative Philosophy.

• 1. Ancient Learning ought not to be Exploded; nor the Experimental Part of Philosophy preferred before the Speculative.
• 2. Whether Artificial Effects may be called Natural; and in what sense?
• 3. Of Natural Matter and Motion.
• 4. Nature cannot be known by any of her Parts.
• 5. Art cannot produce new Forms in Nature.
• 6. Whether there be any Prime or Principal Figures in Nature, and of the true Principles of Nature.
• 7. Whether Nature be self-moving?
• 8. Of Animal Spirits.
• 9. Of the Doctrine of the Scepticks concerning the Know∣ledg of Nature.
• 10. Of Natural Sense and Reason.
• 11. Of a general Knowledg and Worship of God, given him by all Natural Creatures.
• ...

• 12. Of a particular Worship of God given him by those that are his Chosen and Elect People.
• 13. Of the Knowledg of man.
• 14. A Natural Philosopher cannot be an Atheist.
• 15. Of the Rational Soul of Man.
• 16. Whether Animal Parts separated from their Bodies, have life?
• 17. Of the Spleen.
• 18. Of Anatomy.
• 19. Of preserving the Figures of Animal Creatures.
• 20. Of Chymistry, and Chymical Principles.
• 21. Of the Vniversal Medicine, and of Diseases.
• 22. Of outward Remedies.
• 23. Of several sorts of Drink and Meat.
• 24. Of Fermentation.
• 25. Of the Plague.
• 26. Of Respiration.

Observations upon the Opinions of some Ancient Philosophers.

• 1. Vpon the Principles of Thales.
• 2. Some few Observations on Plato's Doctrine.
• 3. Vpon the Doctrine of Pythagoras.
• 4. Of Epicurus his Principles of Philosophy.
• 5. On Aristotle's Philosophical Principles.
• 6. Of Scepticism, and some other Sects of the Ancient.
• An Explanation of some obscure and doubtful Passages oc∣curring in the Philosophical Works hitherto Publish'd by the Authoress.