I. Observations on the graduation of astronomical instruments; with an explanation of the method invented by the late Mr. Henry Hindley, of York, clock-maker, to divide circles into any given number of parts

• John Smeaton and
• Henry Hindley

https://doi.org/10.1098/rstl.1786.0001

II. A series of observations on, and a discovery of, the period of the variation of the light of the star marked δ by Bayer, near the head of Cepheus. In a letter from John Goodricke, Esq. to Nevil Maskelyne, D.D. F. R. S

• John Goodricke

https://doi.org/10.1098/rstl.1786.0002

III. Magnetical experiments and observations

• Tiberius Cavallo

https://doi.org/10.1098/rstl.1786.0003

IV. On infinite series.

• Edward Waring

https://doi.org/10.1098/rstl.1786.0004

V. Experiments on hepatic air

• Richard Kirwan

https://doi.org/10.1098/rstl.1786.0005

VI. Observations on the affinities of substances in spirit of wine. In a letter to Richard Kirwan, Esq. F. R. S. by John Elliot, M.D

• John Elliot

https://doi.org/10.1098/rstl.1786.0006

VII. An account of some minute British shells, either not duly observed, or totally unnoticed by authors. In a letter to Sir Joseph Banks, Bart. P. R. S. by the Rev. John Lightfoot, M. A. F. R. S.

• John Lightfoot

https://doi.org/10.1098/rstl.1786.0007

VIII. Observations on the sulphur wells at Harrogate, made in July and August, 1785

• Richard Watson

https://doi.org/10.1098/rstl.1786.0008

IX. Observations and remarks on those stars which the astronomers of the last century suspected to be changeable

• Edward Pigott

https://doi.org/10.1098/rstl.1786.0009

X. An account of a subsidence of the ground near Folkstone, on the coast of Kent. In a letter from the Rev. John Lyon, M. A. to Edward King, Esq. F. R. S. and A. S. Communicated by Mr. King in a letter to Charles Blagden, M. D. Sec. R. S.; with remarks.

• John Lyon

https://doi.org/10.1098/rstl.1786.0010

XI. Particulars relative to the nature and customs of the Indians of North-America

• Richard McCausland

https://doi.org/10.1098/rstl.1786.0011

XII. Abstract of a register of the barometer, thermometer, and rain at Lyndon in Rutland, in 1785. By Thomas Barker, Esq. Also of the rain at south Lambeth, in Surrey; and at Selbourn and Fyfield, Hampshire

• Thomas Barker

https://doi.org/10.1098/rstl.1786.0012

XIII. An account of experiments made by Mr. John McNab, at Henley House, Hudson's Bay, relating to freezing mixtures

• Henry Cavendish

https://doi.org/10.1098/rstl.1786.0013

XIV. New experiments upon heat. By Colonel Sir Benjamin Thompson, Knt. F. R. S. In a letter to Sir Joseph Banks, Bart. P. R. S.

• Benjamin Thompson

https://doi.org/10.1098/rstl.1786.0014

XV. History and dissection of an extraordinary introsusception

• John Coakley Lettsom

https://doi.org/10.1098/rstl.1786.0015

XVI. New experiments on the ocular spectra of light and colours.

• Robert Waring Darwin

https://doi.org/10.1098/rstl.1786.0016

XVII. Observations on some causes of the excess of the mortality of males above that of females. By Joseph Clarke, M. D. Physician to the Lying-in Hospital at Dublin. Communicated by the Rev. Richard Price, D. D. F. R. S. in a letter to Charles Blagden, M. D. Sec. R. S

• Joseph Clarke and
• Richard Price

https://doi.org/10.1098/rstl.1786.0017

XVIII. Some particulars of the present state of Mount Vesuvius; with the account of a journey into the province of Abruzzo, and a voyage to the island of Ponza. In a letter from Sir William Hamilton, K.B. F. R. S. and A.S. to Sir Joseph Banks, Bart. P. R. S

• William Hamilton

https://doi.org/10.1098/rstl.1786.0018

XIX. An account of a new electrical fish. In a letter from Lieutenant William Paterson to Sir Joseph Banks, Bart. P. R. S

• William Paterson

https://doi.org/10.1098/rstl.1786.0019

XX. Observation of the transit of Mercury over the Sun's disc, made at Louvain, in the Netherlands, May 3, 1786

• Nathaniel Pigott

https://doi.org/10.1098/rstl.1786.0020

XXI. Observation of the late transit of Mercury over the sun, observed by Edward Pigott, Esq. at Louvain in the Netherlands; communicated by him in a letter to Nevil Maskelyne, D.D. F. R. S. and Astronomer Royal

• Edward Pigott

https://doi.org/10.1098/rstl.1786.0021

XXII. Additional observations on making a thermometer for measuring the higher degrees of heat

• Josiah Wedgwood

https://doi.org/10.1098/rstl.1786.0022

Tab XIV

https://doi.org/10.1098/rstl.1786.0030

XXIII. The latitude and longitude of York determined from a variety of astronomical observations; together with a recommendation of the method of determining the longitude of places by observations of the moon's transit over the meridian. Contained in a letter from Edward Pigott, Esq. to Nevil Maskelyne, D.D. F. R. S. and Astronomer Royal

• Edward Pigott

https://doi.org/10.1098/rstl.1786.0023

XXIV. Advertisement of the expected return of the comet of 1532 and 1661 in the year 1788

• Nevil Maskelyne

https://doi.org/10.1098/rstl.1786.0024

XXV. A new method of finding fluents by continuation

• Samuel Vince

https://doi.org/10.1098/rstl.1786.0025

XXVI. Conjecture relative to the petrifactions found in St. Peter's Mountain, near Maestricht.

• Peter Camper

https://doi.org/10.1098/rstl.1786.0026

XXVII. Catalogue of one thousand new nebulæ and clusters of stars

• William Herschel

https://doi.org/10.1098/rstl.1786.0027

XXVIII. Investigation of the cause of the indistinctness of vision which has been ascribed to the smallness of the optic pencil

• William Herschel

https://doi.org/10.1098/rstl.1786.0028

Errata

https://doi.org/10.1098/rstl.1786.0029