vii
| Upon the Extent of the Expansion and Contraction of Timber in different directions relative to the Position of the Medulla of the Tree. By Thomas Andrew Knight, Esq. F.R.S. | page 73 | |
| Observations on the Temperature of the Ocean and Atmosphere, and on the Density of Sea-water, made during a Voyage to Ceylon. By John Davy, M.D. F.R.S. | 73 | |
| Observations on the Genus Ocythoe of Rafinesque, with a Description of a new Species. By William Elford Leach, M.D. F.R.S. | 75 | |
| The distinguishing Characters between the Ova of the Sepia, and those of the Vermes Testacea, that live in Water, explained. By Sir Everard Home, Bart. V.P.R.S. | 75 | |
| Astronomical Observations and Experiments tending to investigate the local Arrangement of the Celestial Bodies in Space, and to determine the Extent and Condition of the Milky Way. By Sir William Herschel, Knt. Guelp. LL.D. F.R.S. | 76 | |
| Some Account of the Nests of the Java Swallow, and of the Glands that secrete the Mucus of which they are composed. By Sir Everard Home, Bart. V.P.R.S. | 77 | |
| Observations on the Hirudo complanata, and Hirudo stagnalis, now formed into a distinct Genus under the name, Glossopora. By Dr. Johnson, of Bristol. | 78 | |
| Observations on the Gastric Glands of the human Stomach, and the Contraction which takes place in that Viscus. By Sir Everard Home, Bart. V.P.R.S. | 79 | |
| On the Parallax of the fixed Stars. By John Pond, Esq. F.R.S. | 79 | |
| 1818. | ||
| On the great Strength given to Ships of War by the application of Diagonal Braces. By Robert Seppings, Esq. F.R.S. | page 80 | |
| A Memoir on the Geography of the North-eastern part of Asia, and on the Question whether Asia and America are contiguous, or are separated by the Sea. By Captain James Burney, F.R.S. | 81 | |
| Additional Facts respecting the Fossil Remains of an Animal, on the subject of which two Papers have been printed in the Philosophical Transactions, showing that the Bones of the Sternum resemble those of the Ornithorhynchus paradoxus. By Sir Everard Home, Bart. V.P.R.S. | 82 | |
| An Account of Experiments for determining the Length of the Pendulum vibrating Seconds in the Latitude of London. By Captain Henry Kater, F.R.S. | 83 | |
| On the Length of the French Metre estimated in parts of the English Standard. By Captain Henry Kater, F.R.S. | 85 | |
| A few Facts relative to the Colouring Matters of some Vegetables. By James Smithson, Esq. F.R.S. | 86 | |
| Account of Experiments made on the Strength of Materials. By George Rennie, jun. Esq. | 87 | |
| On the Office of the Heart Wood of Trees. By T. A. Knight, Esq. F.R.S. | 88 | |
