TABLE OF CONTENTS. 



No two portions of any me- 

 ridian exactly similar page 16 



Mild springs 17 



The planet Tellus 17 



The dog-days page 17 



Density of the earth 17 



Compression of the Poles. . 18 

 Star in the zenith 19 



MATHEMATICS. 



Nature of Mathematics .... 20 



Attraction .............. 20 



The circle .............. 20 



The cycloid ............. 21 



The parabola ............ 22 



Algebra ...... .. ........ 22 



Unknown quantities ...... 23 



Quantities less 

 thing 



than no- 



23 

 Continued quantity ....... 23 



Asymptotes.... ......... 23 



Logarithms 23 



Arithmetical and geometri- 

 cal magnitudes 24 



Probability 24 



Probability of life 24 



Chance 25 



Chances on the dice 26 



Odds at whist 26 



Multiplication 26 



Ratios 27 



Binary arithmetic 27 



METAPHYSICS. 



Stagnation of metaphysics . . 28 



Precision of expression. ... 29 



Ideas and perceptions 29 



Cause and effect according 



to the necessarians 29 



Ex nihilo nihil fit 29 



Time 30 



One idea 30 



S uccession 31 



The primordium of entity . . 31 



Existence 31 



The vital principle 31 



Primary qualities 32 



Monades 32 



Death 32 



Death 32 



Death 32 



Evil spirits. 52 



Magicians 32 



Eyes 33 



Perfectibility 33 



The rule and the exception 33 



Good and evil 33 



Fortune 33 



Hindoo notion of fate .... 34 



Sophistry 34 



Example of a sorites 34 



Motion 35 



Purgatory 35 



Transubstantiation 35 



Liberty and necessity .... 36 



Unitarianism 36 



Insanity 36 



Science 37 



