THE CONTENTS CLASSED UNDER GENERAL HEADS. 



Class I. Mathematics. 



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



Et-age 

 XTRACTING Surd Roots, Dr. Wallis . . 1 



Construction of Logarithms, by Halley 18 



Old Jenkins's Age, by Dr. Robinson 92 



same by Mr. Hill 167 



Number of Births, Deaths, &c. Dr. Slare. . . . 169 



The Numeral Figures, Tho. LufFkin 415 



Credibility of Human Testimony 438 



Number of Births, Deaths, &c. in March 4/0 



Page 

 Numb, of Births, Deaths, &:c. in Brandenbtirg 477 



Houses, &c. in Dublin, Capt. 



South 481 



Seamen in Ireland, by the same . . ibid 



People in Ireland 482 



Romish Clergy ibid 



The Numeral Figures, Dr. Wallis 521 



'2. Algebra, Analysis, Fluxions. 



Use of Fluxions, by Demoivre 14 



Dr. Wallis's Mathematical Works 29 



Solution of Two Problems, by Newton 129 



The Multinomial Theorem, Demoivre 1 76 



Roots of Infinite Equations, Demoivre 275 



On Wallis's Opera Mathematica 410 



3. Geometry. 



Quadrable Cycloidal Spaces, Wallis 39 



Cycloids and Epicycloids, Halley 47 



Merid line and Log. Tangents, Halley 68 



Two Problems solved, by Newton . . 129 



Descents in a Cycloid, inc. Newton 140 



Antiquity of the Cycloid, Wallis 169 



Errors in Surveys, Molyneux 180 



The Caten.irian Curve, Da. Gregory 184 



Quadrature of Curves, Craig 202 



Quadrature of the Logarith. Curve, Craig. . . .318 



Curve of Swiftest Descent, Savdt 335 



D'Amerique's Analysis Geomet 442 



Quadrature of Lunes, Wallis, Perks, &c. . . .450 



Defence of the Catenary, Gregory 456 



Quadratix to the Circle 462 



Measure of Curved Figures, Wallis 488 



Solids of the Lunula, Demoivre 505 



Solid of Least Resistance, Craig 542 



Curve of Quickest Descent, Craig ibid 



Quadrature of Curves, Demoivre 658 



Class I J. Mechanical Philosophy. 



] . Astronomy. 



The Sun's entering the Tropics, Halley, .... 5 



Dampier's Voyage round the World 141 



Voyage to Constantinople, Dr. Smith 176 



On a Lunar Eclipse, Halley 222 



Chinese Astronomical Observations, Cassini. 233 



On finding Kasler-Day, &c. Wallis 273 



The Meridian Line, Cassini '286 



The Longitude of Canton, Cassini 318 



A new Comet observed, Cassini 354 



On the Meridan Line, Wallis 415 



On a Solar Eclipse, Gregory 426 



On Huygens's Celestial Worlds 429 



Julian and Gregorian Calendar, Wallis 434 



Report on the Calendar, Lord Burleigh 437 



Reflections on the Calendar, Greaves ibid 



A Solar Eclipse, &c. Worzelbaur 504 



On a Meridian Line, Ste. Gray 549 



On the same, by the same 568 



2. Projectiles. 

 A Proposition in Gunnery 



