PROCEEDINGS OF 

 THE ROYAL SOCIETY. 



VOL. XVII. 



No. 105. 



CONTENTS. 



Page 



On the Physical Constitution of the Sun and Stars. By G. Johnstone Stonet, 



M.A., F.R.S., F.R. A.S., Secretary to the Queen's University in Ireland . . 1 



communications received since the end of the session. 



I. Second List of Nebulae and Clusters observed at Bangalore with the Royal 

 Society's Spectroscope ; preceded by a Letter to Professor G. G. Stokes. 

 By Lieut. John Herschel, R.E 58 



H. On the Lightning Spectrum. By Lieut. John Herschel, R.E 61 



III. Products of the Destructive Distillation of the Sulphobenzolates. — No. II. 



By John Stenhouse, LL.D., F.R.S., &c 62 



IT. Compounds Isomeric with the Sulphocyanic Ethers. — II. Homologues and 

 Analogues of Ethylic Mustard-oil. By A. W. Hofmann, Ph.D., M.D., 



LL.D 67 



V. Account of Spectroscopic Observations of the Eclipse of the Sun, August 18, 

 1868, in a Letter addressed to the President of the Royal Society. By Cap- 

 tain C. T. Haig, R.E 74 



VI. Account of Observations of the Total Eclipse of the Sun, made August 18th, 

 1868, along the coast of Borneo, in a Letter addressed to H.M. Secretary 

 of State for Foreign Affairs by His Excellency J. Pope Hennessy, 

 Governor of Labuan 81 



VII. Further particulars of the Swedish Arctic Expedition, in a Letter addressed 



to the President. By Professor Nordensxiold 91 



VIII. Notice of an Observation of the Spectrum of a Solar Prominence, by J. N. 



Lockyer, Esq., in a Letter to the Secretary 91 



IX. On a New Series of Chemical Reactions produced by Light. By John 



Tyndall, LL.D., F.R.S , &c 92 



TAYLOR AND FRANCIS, RED LION COURT, FLEET STREET. 



