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| On Circulating Functions, and on the Integration of a Class of Equations of Finite Differences into which they enter as Coefficients. By John F. W. Herschel, Esq. F.R.S. | page 89 | |
| On the Fallacy of the Experiments in which Water is said to have been formed by the Decomposition of Chlorine. By Sir Humphry Davy, LL.D. F.R.S. | 89 | |
| The Croonian Lecture. On the Changes the Blood undergoes in the act of Coagulation. By Sir Everard Home, Bart. V.P.R.S. | 90 | |
| Some Additions to the Croonian Lecture, on the Changes the Blood undergoes in the Act of Coagulation. By Sir Everard Home, Bart. V.P.R.S. | 91 | |
| On the Laws of Polarization and Double Refraction in regularly Crystallized Bodies. By David Brewster, LL.D. F.R.S. L. & E. | 92 | |
| On the Parallax of certain fixed Stars. By the Rev. John Brinkley, D.D. F.R.S. | 93 | |
| On the Urinary Organs and Secretions of some of the Amphibia. By John Davy, M.D. F.R.S. | 94 | |
| On a Mal-conformation of the Uterine System in Women; and on some Physiological Conclusions to be derived from it. In a Letter to Sir Everard Home, Bart. V.P.R.S. from A. B. Granville, M.D. F.R.S. F.L.S. | 95 | |
| New Experiments on some of the Combinations of Phosphorus. By Sir H. Davy, LL.D. F.R.S. V.P.R.I. | 95 | |
| New Experimental Researches on some of the leading Doctrines of Caloric; particularly on the Relation between the Elasticity, Temperature, and latent Heat of different Vapours; and on Thermometric Admeasurement and Capacity. By Andrew Ure, M.D. | 97 | |
| Observations on the Heights of Mountains in the North of England. By Thomas Greatorex, Esq. F.L.S. | 98 | |
| On the Different Methods of Constructing a Catalogue of fixed Stars. By J. Pond, Esq. F.R.S. | 99 | |
| A Description of the Teeth of the Delphinus Gangeticus. By Sir Everard Home, Bart. V.P.R.S. | 99 | |
| Description of an Acid Principle prepared from the Lithic or Uric Acid. By William Prout, M.D. | 100 | |
| Astronomical Observations and Experiments, selected for the purpose of ascertaining the relative Distances of Clusters of Stars, and of investigating how far the Power of our Telescopes may be expected to reach into Space, when directed to ambiguous Celestial Objects. By Sir William Herschel, Knt. Guelp. LL.D. F.R.S. | 100 | |
| On the Structure of the Poisonous Fangs of Serpents. By Thomas Smith, Esq. F.R.S. | 101 | |
| On the Parallax of α Aquilæ. By John Pond, Esq. F.R.S. | 101 | |
| On the Parallax of the Fixed Stars in Right Ascension. By John Pond, Esq. F.R.S. | 102 | |
| An Abstract of the Results deduced from the Measurement of an Arc on the Meridian, extending from Latitude 8° 9' 38"·4, to Latitude 18° 3' 23"·6 N., being an Amplitude of 9° 53' 45"·2. By Lieut. Col. William Lambton, F.R.S. | 102 | |
