CONTENTS. 



VOL. XVII. 



Page 



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

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

 Ireland 1 



Second List of Nebulas 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 



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



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

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



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

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

 LL.D i 67 



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 

 Captain C. T. Haig, R.E 74 



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, Go- 

 vernor of Labaun , 81 



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

 to the President. By Professor Nordenskiold 91 



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

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



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

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



Account of the Solar Eclipse of 1868, as seen at Jamkandi in the Bombay *" 

 Presidency. By Lieut. J. Herschel, R.E. 104 



Observations of the Total Solar Eclipse of August 18, 1868. By Captain 

 Charles G. Perrins 125 



Observations of the Total Solar Eclipse of August 18, 1868. By Captain 

 D. Rennoldson 125 



