IV CONTENTS. 



Page PaRC 



Dr. R. Sirason, two Props, from Pappus . . 659 Biographical Notice of Dr. John Huxham. . 671 



Biographical Notice of Dr. Rob. Simson . , ibid Dr. Oliver, on the same Woman's case. . . . 673 



Leuwenhoeck, Magn. of Blood Globules. . 66o Dr. Howman, Haemorrhage of the Penis. . 67^^ 



Ra. Thoresby, Subterranean Discoveries . . ibid B. Holloway, on Pits of Fullers Earth ibid 



M. Favry, a monstrous Double Birth 66l Dr. Jurin, Meteorological Journals 675 



John Brown, on Epsom Salt 66^ Account of Ruysch's Advers, Anat. Med. . 676 



G. Grandi, on Geometrical Roses 664 D. Martineau, Stones voided per Anum . . . 677 



Mr. Pound, on Hadley's Reflect. Telescope ibid Leuwenhoeck, Blood Globules, &c ibid 



J. Hadley, Satellites of Jupiter and Saturn 665 — de General. Animaliura, &c. 678 



Dr. Houstoun, Extra Uterine Foetus .... 666 Dr. Ja. Douglas, Flower and Seed of Saffron ibid 



Rog. Gale, Roman Inscription at Chichester 667 Mart. Folkes, on Leuwenhoeck's Microsc. ibid 



Leuwenhoeck, de Struct. Diaphragm .... 6'71 Bills of Mortality in several Places 681 



Dr. Huxham, Partium (Jeniial. in Mul. praet. ibid 



THE CONTENTS CLASSED UNDER GENERAL HEADS. 



Class I. Mathematics. 



1. Arithmetic J Political Arithmetic, Aged Persons, Annuities, Logarithms, &c. 



Page Page 



X^OGOMETRIA, Rev. Roger Cotes ... 77 On the same subject, Ab. Demoivre ibid 



Making of Logarithms, J. Long 80 Making of Logarithms, Dr. B. Taylor 304 



Accounts of Interest, Tho. WaUcins 97 Bills of Mortality in several Places 681 



Problems in Chances, Nic. Bernoulli 98 



2. Algebra, Analysis, Flitxions, ^c. 



The Inventions of Fluxions, Sir I. Newton 11 6 Invention of Fluxions, M. Conti 389 



The Method of Increments, Dr. B. Taylor 189 The Differential Method, Ja. Stirling 428 



Numeral Roots of Equations, by the same 299 Harmonia Mensurarum, R. Cotes 587 



Infinite Series, M. de Monmort 308 Summation of Series, Ab. Demoivre 595 



On the same, Dr. B. Taylor ibid 



3. Geometry. 



A Curve of the 3d Order, Ab. Demoivre. . 183 On Leibnitz's and Bernoulli's Prob. Taylor. . 397 



Problem on Curves, Sir J. Newton 211 Geometria Organica, Maclaurin 464 



Solution of Leibnitz's Problem, Dr. Taylor 309 Curves cut at given Angles, Pemberton. . . . 586 



ApoUonius's Conies, Dr. Halley 327 Section of an Angle, Demoivre 6l7 



Construction of Curves, Maclaurin 356 Props, from Pappus, Dr. R. Simson 659 



Description of Curves, by the same 392 Geometrical Roses, G. Grandi 66^ 



Class II. Mechanical Philosophy. 



1. Dynamics. 



Motion of a Tense String, Dr. Taylor .... 14 Curve of swiftest Descent, J. Machin .... 374 



Solid of Least Resistance, N. Facio 48 Resistance of the Air, Desaguliers 428 



Centripetal Forces, John Keill 93 On the same subject, by the same 430 



On the same subject, Demoivre 306 Action of Tubes on Fluids, Dr. Jurin .... 432 



