I. The Croonian Lecture. On the structure and uses of the membrana tympani of the ear

• Everard Home

https://doi.org/10.1098/rstl.1800.0001

II. On the method of determining, from the real probabilities of life, the values of contingent reversions in which three lives are involved in the survivorship

• William Morgan

https://doi.org/10.1098/rstl.1800.0003

III. Abstract of a register of the barometer, thermometer, and rain, at Lyndon, in Rutland, for the year 1798

• Thomas Barker

https://doi.org/10.1098/rstl.1800.0004

IV. On the power of penetrating into space by telescopes; with a comparative determination of the extent of that power in natural vision, and in telescopes of various sizes and con­structions; illustrated by select observations

• William Herschel

https://doi.org/10.1098/rstl.1800.0005

V. A second appendix to the improved solution a problem physical astronomy, inserted in the Philosophical Transactions for the year 1798, containing some further remarks, and improved formulae for computing the coefficients A and B; by which the arithmetical work is considerably shortened and facilitated

• John Hellins

https://doi.org/10.1098/rstl.1800.0006

VI. Account of a peculiarity in the distribution of the arteries sent to the limbs of slow-moving animals; together with some other similar facts. In a letter from Mr. Anthony Carlisle, surgeon, to John Symmons, Esq. F. R. S

• Anthony Carlisle

https://doi.org/10.1098/rstl.1800.0007

VII. Outlines of experiments and inquiries respecting sound and light. By Thomas Young, M. D. F. R. S. In a letter to Edward Whitaker Gray, M. D. Sec. R. S

• Thomas Young

https://doi.org/10.1098/rstl.1800.0008

VIII. Observations on the effects which take place from the destruction of the membrana tympani of the ear. By Mr. Astley Cooper. In a letter to Everard Home, Esq. F. R. S. by whom some remarks are added

• Astley Cooper

https://doi.org/10.1098/rstl.1800.0009

IX. Experiments and observations on the light which is spontaneously emitted, with some degree of permanency, from various bodies

• Nathaniel Hulme

https://doi.org/10.1098/rstl.1800.0010

X. Account of a series of experiments, undertaken with the view of decomposing the muriatic acid

• William Henry

https://doi.org/10.1098/rstl.1800.0011

XI. On a new fulminating mercury

• Edward Howard

https://doi.org/10.1098/rstl.1800.0012

Meteorological journal, 1799

https://doi.org/10.1098/rstl.1800.0002

XII. On double images caused by atmospherical refraction

• William Hyde Wollaston

https://doi.org/10.1098/rstl.1800.0013

XIII. Investigation of the powers of the prismatic colours to heat and illuminate objects; with remarks, that prove the different refrangibility of radiant heat. To which is added, an inquiry into the method of viewing the sun advantageously, with telescopes of large apertures and high magnifying powers

• William Herschel

https://doi.org/10.1098/rstl.1800.0014

XIV. Experiments on the refrangibility of the invisible rays of the sun

• William Herschel

https://doi.org/10.1098/rstl.1800.0015

XV. Experiments on the solar, and on the terrestrial rays that occasion heat; with a comparative view of the laws to which light and heat, or rather the rays which occasion them, are subject, in order to determine whether they are the same, or different

• William Herschel

https://doi.org/10.1098/rstl.1800.0016

XVI. Chemical experiments on zoophytes; with some observations on the component parts of membrane

• Charles Hatchett

https://doi.org/10.1098/rstl.1800.0017

XVII. On the electricity excited by the mere contact of conducting substances of different kinds. In a letter from Mr. Alexander Volta, F. R. S. Professor of Natural Philosophy in the University of Pavia, to the Rt. Hon. Sir Joseph Banks, Bart. K.B. P. R. S

• Alessandro Volta

https://doi.org/10.1098/rstl.1800.0018

XVIII. Some observations on the head of the Ornithorhynchus paradoxus

• Everard Home

https://doi.org/10.1098/rstl.1800.0019

XIX. Experiments on the solar, and on the terrestrial rays that occasion heat; with a comparative view of the laws to which light and heat, or rather the rays which occasion them, are subject, in order to determine whether they are the same, or different

• William Herschel

https://doi.org/10.1098/rstl.1800.0020

XX. An account of the trigonometrical survey, carried on in the years 1797, 1798, and 1799, by order of Marquis Cornwallis, Master-General of the Ordnance

• William Mudge

https://doi.org/10.1098/rstl.1800.0021