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CONTENTS.
VOL. XIX.
No. 123.— June 16, 1870.
| Page | |
| On the Atmospheric Lines of the Solar Spectrum, in a Letter to the President. By Lieut. J. H. Hennessey | 1 |
| On the Eadiation of Heat from the Moon. — No. II. By the Earl of Rosse, F.R.S | 9 |
| On Linear Differential Equations.— No. in. By W. H. L. Russell, F.RS. | 14 |
| Observations with the Great Melbourne Telescope, in a Letter to Prof. Stokes. By A. Le Sueur | 18 |
| Chemical and Physiological Experiments on living Cinchonse. By J. Broughton, B.Sc, F.C.S., Chemist to the Cinchona-Plantations of the Madras Government | 20 |
| Researches on the Hydrocarbons of the Series C» H271.+2. — VI. By C. Schorlemmer | 20 |
| Formation of Cetyl-alcohol by a singular reaction. By C. Schorlemmer | 22 |
| Researches in Animal Electricity. By C. B. Radcliffe, M.D. | 22 |
| List of Presents | 29 |
Communications received after the Session. |
|
| On Approach caused by Vibration. By Frederick Guthrie | 35 |
| On Jacobi's Theorem respecting the relative equilibrium of a Revolving Ellipsoid of Fluid, and on Ivory's discussion of the Theorem. By I. Todhunter, M. A., F.R.S., late Fellow of St. John's College, Cambridge | 42 |
| On the Theory of Continuous Beams. By John Mortimer Heppel, M. Inst. C.E | 56 |
| Remarks on Mr. Heppel's Theory of Continuous Beams. By W. J. Macquorn Rankine, C.E., LL.D., F.R.S | 68 |
| Researches into the Chemical Constitution of the Opium Bases. — Part IV. On the Action of Chloride of Zinc on Codeia. By Augustus Matthiessen, F.R.S., Lecturer on Chemistry at St. Bartholomew's Hospital, and W. Burnside, of Christ's Hospital | 71 |
