Volume 71 (1781)

Front Matter

Anonymous (35 pages)

A Speech Delivered to the Royal Society, on Wednesday November 30, 1780, Being Their Anniversary

Joseph Banks (7 pages)

Henry Smeathman (7 pages)

Natural History and Description of the Tyger-Cat of the Cape of Good Hope. By John Reinhold Forster, LL.D. F. R. and A. S.

John Reinhold Forster (9 pages)

Experiments and Observations on the Specific Gravities and Attractive Powers of Various Saline Substances. By Richard Kirwan, Esq. F. R. S.

Richard Kirwan (36 pages)

Account of the Violent Storm of Lightning at East-Bourn, in Sussex, Sept. 17, 1780; Communicated by Owen Salusbury Brereton, Esq. F. R. and A. S.

Owen Salusbury Brereton (5 pages)

An Account of the Harmattan, a Singular African Wind. By Matthew Dobson, M. D. F. R. S.; Communicated by John Fothergill, M. D. F. R. S.

John Fothergill, Matthew Dobson (13 pages)

Essay on a New Method of Applying the Screw. By Mr. William Hunter, Surgeon; Communicated by Lieutenant General Melville, F. R. S.

<prefix>Lieutenant</prefix> General Melville, William Hunter (12 pages)

An Account of the Turkey. By Thomas Pennant, Esq. F. R. S.; Communicated by Joseph Banks, Esq. P. R. S.

Joseph Banks, Thomas Pennant (17 pages)

Account of a Nebula in Coma Berenices. By Edward Pigott, Esq. In a Letter to Nevil Maskelyne, D. D. F. R. S. and Astronomer Royal

Edward Pigott (3 pages)

Double Stars Discovered in 1779, at Frampton-House, Glamorganshire. By Nathanael Pigott, Esq. F. R. S. Foreign Member of the Academies of Brussels and Caen, and Correspondent of the Royal Academy of Sciences at Paris; Communicated by Nevil Maskelyne, D. D. F. R. S. and Astrononomer Royal

Nathanael Pigott, Nevil Maskelyne (4 pages)

An Account of the Ganges and Burrampooter Rivers. By James Rennell, Esq. F. R. S.; Communicated by Joseph Banks, Esq. P. R. S.

Joseph Banks, James Rennell (32 pages)

Astronomical Observations on the Rotation of the Planets Round Their Axes, Made with a View to Determine Whether the Earth's Diurnal Motion is Perfectly Equable. In a Letter from Mr. William Herschel of Bath to William Watson, M. D. F. R. S.

William Herschel (29 pages)

Some Account of the Termites, Which are Found in Africa and Other Hot Climates. In a Letter from Mr. Henry Smeathman, of Clement's Inn, to Sir Joseph Banks, Bart. P. R. S.

Henry Smeathman (66 pages)

An Account of Several Earthquakes Felt in Wales. By Thomas Pennant, Esq. F. R. S. in a Letter to Sir Joseph Banks, P. R. S.

Thomas Pennant (3 pages)

Extract of a Letter from the Right Honourable Philip Earl Stanhope, F. R. S. to Mr. James Clow, Professor of Philosophy in the University of Glasgow. Dated Chevening, February 16, 1777

Honourable Philip (3 pages)

Extract of Two Meteorological Journals of the Weather Observed at Nain in 57⚬ North Latitude, and at Okak in 57⚬ 20′ North Latitude, Both on the Coast of Labradore. Communicated by Mr. De La Trobe

<prefix>Mr.</prefix> De la Trobe (3 pages)

Meteorological Journal Kept at the House of The Royal Society By Order of the President and Council

Anonymous (29 pages)

Errata

Anonymous (2 pages)

New Experiments upon Gun-Powder, with Occasional Observations and Practical Inferences; To Which are Added, an Account of a New Method of Determining the Velocities of All Kinds of Military Projectiles, and the Description of a Very Accurate Eprouvette for Gun-Powder. By Benjamin Thompson, Esq, F. R. S.

Benjamin Thompson (112 pages)

Account of a Luminous Appearance in the Heavens. By Mr. Tiberius Cavallo, F. R. S. in a Letter to Sir Joseph Banks, Bart. P. R. S.

Tiberius Cavallo (4 pages)

Account of an Earthquake at Hafodunos Near Denbigh. By John Lloyd, Esq. F. R. S. in a Letter to Sir Joseph Banks, Bart. P. R. S.

John Lloyd (4 pages)

On the Heat of the Water in the Gulf-Stream. By Charles Blagden, M. D. Physician to the Army, F. R. S.

Charles Blagden (12 pages)

Account of the Appearance of the Soil at Opening a Well at Hanby in Lincolnshire. In a Letter from Sir Henry C. Englefield, Bart. F. R. and A. S. to Sir Joseph Banks, Bart. P. R. S.

Henry C. Englefield (3 pages)

Astronomical Observations Made by Nathaniel Pigott, Esq. F. R. S. Foreign Member of the Academies of Brussels and Caen, and Correspondent of the Academy of Sciences at Paris. Communicated by Sir Henry C. Englefield, Bart. F. R. and A. S.

Henry C. Englefield, Nathaniel Pigott (5 pages)

Abstract of a Register of the Barometer, Thermometer, and Rain, at Lyndon, in Rutland, 1780. By Thomas Barker, Esquire

Thomas Barker (5 pages)

Some Calculations of the Number of Accidents or Deaths Which Happen in Consequence of Parturition; And of the Proportion of Male to Female Children, as Well as of Twins, Monstrous Productions, and Children That are Dead-Born; Taken from the Midwisery Reports of the Westminster General Dispensary: With an Attempt to Ascertain the Chance of Life at Different Periods, from Insancy to Twenty-Six Years of Age; And Like-Wise the Proportion of Natives to the Rest of the Inhabitants of London. In a Letter from Robert Bland, M.D. Physician-Man-Midwife to the Westminster General Dispensary, to Samuel Foart Simmons, M.D. F.R.S.

Robert Bland (20 pages)

Account of a Child Who Had the Small-Pox in the Womb. In a Letter from William Wright, M. D. F. R. S. to John Hunter, Esq. F. R. S.

William Wright (3 pages)

Natural History of the Insect Which Produces the Gum Lacca. By Mr. James Kerr, of Patna; Communicated by Sir Joseph Banks, P. R. S.

James Kerr, Joseph Banks (10 pages)

Account of a Phenomenon Observed upon the Island of Sumatra. By William Marsden, Esq.; Communicated by Sir Joseph Banks, P. R. S.

William Marsden, Joseph Banks (4 pages)

Farther Experiments on Cold, Made at the Macfarlane Observatory Belonging to Glasgow College. In a Letter from Patrick Wilson, M. A. to the Rev. Nevil Maskelyne, D. D. F. R. S. and Astronomer Royal

Patrick Wilson (10 pages)

A General Theory for the Mensuration of the Angle Subtended by Two Objects, of Which One is Observed by Rays after Two Reflections from Plane Surfaces, and the Other by Rays Coming Directly to the Spectator's Eye. By George Atwood, M. A. F. R. S.

George Atwood (52 pages)

An Account of the Ophidium Barbatum Linnei. By P. M. Augustus Broussonet, M. D.; Communicated by Sir Joseph Banks, Bart. P. R. S.

Joseph Banks, P. M. Augustus Broussonet (16 pages)

A Further Account of the Usefulness of Washing the Stems of Trees. By Mr. Robert Marsham, of Stratton, F. R. S.

Robert Marsham (6 pages)

Hints Relating to the Use Which May be Made of the Tables of Natural and Logarithmic Sines, Tangents, &c. in the Numerical Resolution of Adfected Equations. By William Wales, F. R. S. and Master of the Royal Mathematical School in Christ's Hospital

William Wales (28 pages)

Experiments on the Power That Animals, When Placed in Certain Circumstances, Possess of Producing Cold. By Adair Crawford, M. D.; Communicated by Sir Joseph Banks, Bart. P. R. S.

Joseph Banks, Adair Crawford (14 pages)

Account of a Comet. By Mr. Herschel, F. R. S.; Communicated by Dr. Watson, Jun. of Bath, F. R. S.

Mr. Herschel, Dr. Watson (17 pages)

A Letter from Joseph Willard to the Rev. Dr. Maskelyne, Astronomer Royal, concerning the Longitude of Cambridge in New England

Joseph Willard (7 pages)

An Account of Some Thermometrical Experiments; Containing, I. Experiments Relating to the Cold Produced by the Evaporation of Various Fluids, with a Method of Purifying Ether. II. Experiments Relating to the Expansion of Mercury. III. Description of a Thermometrical Barometer. By Tiberius Cavallo, F. R. S. Who Was Nominated by the President and Council to Prosecute Discoveries in Natural History, Pursuant to the Will of the Late Henry Baker, Esq. F. R. S.

Tiberius Cavallo (18 pages)

Charta Prima, Praesidi, Concilio, et Sodalibus Regalis Societatis Londini, a Rege Carolo Secundo Concessa, A. D. MDCLXII

Howard, Carolo Secundo (19 pages)

Charta Secunda, Lisdem ab Eodem Concessa, A. D. MDCLXIII

Howard (22 pages)

Charta Tertia, Lisdem ab Eodem Concessa, A. D. MDCLXIX

Pigott (18 pages)

A Licence for Purchasing in Mortmain to the Yearly Value of One Thousand Pounds, Granted to the President, Council, and Fellows of the Royal Society of London, by King George the First, in the Year MDCCXXV

King George, Cocks (4 pages)

Preface

Anonymous (8 pages)

Of the Election and Admission of Fellows

Anonymous (5 pages)

Of the Obligation to be Subscribed

Anonymous (2 pages)

Of the Payments by the Fellows to the Society

Anonymous (3 pages)

Of the Death or Recess of any Fellow

Anonymous (2 pages)

Of the Causes and Form of Ejection

Anonymous (2 pages)

Of the Election of the Council and Officers

Anonymous (7 pages)

Of the President

Anonymous (2 pages)

Of the Treasurer and His Accoumpts

Anonymous (4 pages)

Of the Secretaries

Anonymous (3 pages)

Of the Clerk, Librarian, Keeper of the Repository, and House-Keeper

Anonymous (7 pages)

Of the Ordinary Meetings of the Society

Anonymous (3 pages)

Of the Selecting of Papers Laid before the Society, in Order for Publication

Anonymous (4 pages)

Of the Manner of Publication of the Papers Laid before the Soceity

Anonymous (4 pages)

Of the Books and Papers of the Society

Anonymous (4 pages)

Of the Common Seal and Deeds

Anonymous (2 pages)

Of the Making and Repealing of Laws

Anonymous (2 pages)

Errata

Anonymous (3 pages)

Back Matter

Anonymous (18 pages)

Articles