THE CONTENTS CLASSED UNDER GENERAL HEADS. 



Class I. Mathematics. 

 1. Arithmetic, Political Arithmetic, Numbers of Persons, Annuities. 



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UMBER of Christenings and Burials . . . 242 Further Considerations on the Same 510 



The same in the years l686, \687 420 Arithmetical Paradox, by Fr. Roberts, Esq. . . 517 



Degrees of Mortality and Annuities, Halley. . 483 



2. Algebra, Analysis, Fluxions. 



Construction of Equations, Baker 23 Roots of Cubic, &c. Equations, Halley 395 



Improvements in Algebra, Collins 38 Excellence of Modern Algebra, Halley 593 



Treatise on Algebra, Wallis 194 Method for the Roots, of Equations, Halley . . 640 



Construction of Solid Problems, Halley 376 



3. Geometry. 



Construction of Equations, Baker 23 Construction of Solid Problems, Halley .... 376 



Geometrical Demonstrations 64 On the Species of Infinites, Halley 465 



Exercitatio Geometrica, Da. Gregory 79 The Quadrable Dome, Wallis 479 



Collection of Secants, &c. Wallis 224 On the same, by Da. Gregory 609 



Solution of Chorographical Problems 235 On Quadratures and Loci, Craige 637 



Metbodus Figurarum Lin. rect. &c. Craige . . 332 On some Mathematical Inventions 673 



Quadrature of the Circle, Mallement i 345 



Class II. Mechanical Philosophy. 



1. Dynamics. 



Effects of Languid Motion, Boyle 153 Philos. Nat. Princip. Mathem. Newton 358 



Resistance of Air to moving Bodies 350 



2, Statics. 



Catalogue of Experiments, &c. Petty 113 On Gravity and Gunnery, Halley 261 



Specific Gravities of Bodies 138 Specific Gravities of Bodies, J. C 522 



3. Astronomy — Navigation. 



On the Tide-Table, Flamsteed 3 Annus Climactericus, Hevelius 2l6 



A Spot in the Sun, Flamsteed 20 On the Meridians, &c. Wallis 224 



On the Places of the Stars, Bernard 31 Eclipses of Jupiter's Satellites 234 



On Tides and Magnetic Variations, Heathcot 32 On a Lunar Eclipse, Hevelius 245 



On the Tides at Tonquin, Davenport 66 Instrument for Jupiter's Sat. Flamsteed 246 



Theory of the same "Tides, Halley 67 Latitude of Constantinople, Greaves 255 



On a Lunar Eclipse, Flamsteed 69 Ephemeris ad Annum 1686, 8:c 278 



On a Solar Eclipse, Flamsteed ibid Two Satel. of Saturn discovered, Cassini .... 292 



: , Bulliald and Cassini ibid Occult, of Jupiter, by Hook, Halley, Haines. . 294 



, Cassini and others 75 On a Lunar Eclipse, Eimart 318 



Obliquity of Ecliptic, Bernard ibid , March 31, 1686 331 



On a Solar Eclipse, Bernard 86 On the Tides at Dublin 333 



Eclipses of Jupiter's Satellites, Flamsteed 89 Eclipses of Jupiter's Satel. &c. Flamsteed ... 335 



Ob the Tide-Tables, Flamsteed 105 Tides on the Coast of France 337 



On a new Comet, Ciampini 135 On a Lunar Eclipse, Molyneux 342 



